CN223888092U - Screening machine for sustainable crushing of raw materials - Google Patents

Abstract

The utility model provides a sieving machine with sustainable raw material smashing, which relates to the technical field of sieving machines and comprises a frame, wherein a smashing component is arranged on the frame and used for smashing materials, a sieving structure is arranged on the frame and positioned below the smashing component and used for carrying out multistage sieving operation on the smashed materials, a reflux hopper is connected to the sieving structure, the materials can be sieved for multiple times through the arrangement of the sieving structure, the sieved materials can be smashed again through the reflux hopper and a secondary smashing component, unqualified materials can be conveyed and smashed again through the smashing component, the unqualified materials are automatically recovered and subjected to multiple times of smashing operation, the condition of manual collection and secondary treatment is avoided, and the efficiency of smashing the materials is improved.

Description

Screening machine for sustainable crushing of raw materials

Technical Field

The utility model relates to the technical field of screening machines, in particular to a screening machine for continuously crushing raw materials.

Background

The sieving machine is one kind of material sieving and classifying equipment to separate out grains of different sizes, shapes and densities in material through vibration, rotation, airflow, etc. In many fields of current industrial production, such as mining industry, building materials, chemical industry and the like, the crushing and screening of raw materials are extremely critical basic links, and the traditional screening machine often has some problems when processing the raw materials.

The design of traditional screening machine is usually only focused on single crushing and screening flow, lacks the mechanism of carrying out high-efficient recovery to the raw materials that do not reach the particle diameter requirement and smashes again, when the particle diameter of partial raw materials after once smashing does not accord with the standard, often need artifical manual collection and transport to other equipment and carry out secondary treatment, and this process not only consumes a large amount of manpowers, time, has reduced kibbling efficiency, consequently needs a sustainable kibbling screening machine of raw materials to solve above-mentioned technical problem.

Disclosure of utility model

The utility model aims to provide a screening machine capable of continuously crushing raw materials, and aims to solve the problems in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a sieving machine for continuously pulverizing raw materials, including:

A frame:

the crushing assembly is arranged on the frame and is used for crushing materials;

The screening structure is arranged on the frame and positioned below the crushing assembly, and the screening structure is used for carrying out multistage screening operation on the crushed materials of the crushing assembly;

the reflux hopper is connected with the screening structure and is used for collecting unqualified materials after multistage screening;

The secondary crushing assembly is arranged below the reflux hopper and is arranged on the frame and used for crushing unqualified materials collected by the reflux hopper;

The recycling conveyor belt is arranged below the screening structure and the secondary crushing assembly and is used for recycling the materials screened by the screening structure and the materials crushed by the secondary crushing assembly;

The material returning assembly is arranged on one side of the frame and corresponds to the end part of the recycling conveyor belt;

A plurality of partition assemblies disposed on the frame, the partition assemblies for dividing the screening structure into a plurality of screening areas;

the dust removing structure is arranged on one side of the frame and is used for absorbing and treating dust generated in the crushing and screening process.

Preferably, the structure of crushing subassembly and secondary crushing subassembly is the same, crushing subassembly and secondary crushing subassembly all include crushing case, crushing roller and motor, crushing case is connected with the frame, the quantity of crushing roller has two, two crushing roller pivoted installs the inside at crushing case, two crushing roller all is connected with the gear, two gear intermeshing, the motor is installed in one side of crushing case, the output of motor is connected with one end that crushing roller kept away from the gear.

Preferably, the screening structure comprises a screening frame, a vibrating motor, a screen, a collecting hopper and a return pipe, wherein the screening frame is connected with a rack, the vibrating motor is arranged on one side of the screening frame, the screen is multiple in number and multiple in number, the screen is mutually connected, the screen is arranged inside the screening frame, the screen is obliquely arranged, the collecting hopper is multiple in number and multiple in number, the collecting hopper is connected with the screening frame, the collecting hopper is corresponding to the screen in number, the collecting hopper is in one-to-one correspondence with the screen, the return pipe is multiple in number and connected with the end part of the collecting hopper, and the return pipe is in one-to-one correspondence with the collecting hopper and is provided with a control valve and a blanking assembly.

Preferably, the blanking assembly comprises a blanking pipe and a second control valve, the blanking pipe is connected with the return pipe, the blanking pipe is obliquely arranged, and the second control valve is connected with the blanking pipe.

Preferably, the material returning component comprises a material returning collecting box, a lifting auger and a material returning pipe, wherein the material returning collecting box is arranged on one side of the recycling conveyor belt, the material returning collecting box corresponds to the output end of the recycling conveyor belt, the lifting auger is arranged on the material returning collecting box, the material returning pipe is arranged at the end part of the lifting auger, the material returning pipe is obliquely arranged, and the bottom end of the material returning pipe is arranged above the crushing component.

Preferably, the dust removal structure includes suction hood, dust absorption fan, dust removal case and filter screen, the suction hood is connected with the topside of frame, the suction hood is located the top of smashing subassembly and screening structure, the dust absorption fan is connected with the tip of suction hood through the pipeline, the dust removal case sets up in one side of frame, the dust removal case is connected with the dust absorption fan through the pipeline, the quantity of filter screen has a plurality ofly, and is a plurality of the even installation of filter screen is in the inside of dust removal case.

Preferably, the partition assembly comprises a supporting plate, an electric push rod and a partition plate, wherein the supporting plate is arranged on the top side of the frame, the electric push rod is connected with the supporting plate, and the partition plate is connected with the output end of the electric push rod.

Preferably, a plurality of feed boxes are arranged on one side of the frame, the feed boxes correspond to the blanking pipes in number, the feed boxes correspond to the blanking pipes in bottom end positions, and the feed boxes correspond to the blanking pipes one by one.

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

1. Through setting up screening structure and can multiple screening material, and can carry out crushing operation again to the material after the screening through backward flow fill and regrinding subassembly to through with retrieve the cooperation setting of conveyer belt and returning charge subassembly, can carry unqualified material and make unqualified material carry out crushing operation again through crushing subassembly, carried out automatic recovery and crushing operation many times to unqualified material, avoided the condition of manual collection and secondary treatment, improved the efficiency of crushing the material.

2. Dust generated in the crushing and screening processes can be absorbed through the dust removing structure, and dust can be subjected to filtering treatment operation, so that the condition of dust dissipation is greatly avoided.

3. Through setting up the time that cuts off the subassembly and can increase the material and screen on a screen cloth to can be better come to screen out qualified material, make the effect of screening better.

Drawings

FIG. 1 is a schematic view of a first view structure according to the present utility model;

FIG. 2 is a schematic view of a second view angle structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the frame and its connection members according to the present utility model;

FIG. 4 is a schematic view of the screening arrangement of the present utility model;

FIG. 5 is a schematic view of the dust removing structure of the present utility model;

FIG. 6 is a schematic view of the structure of the return assembly of the present utility model;

FIG. 7 is a schematic view of the structure of the partition assembly of the present utility model;

FIG. 8 is a schematic view of the secondary pulverizing assembly of the present utility model;

fig. 9 is a schematic view of the structure of the screen of the present utility model.

In the figure, 10, a frame, 20, a screening structure, 21, a backflow hopper, 22, a screening frame, 23, a vibrating motor, 24, a screen, 25, a collecting hopper, 26, a return pipe, 27, a first control valve, 28, a discharging pipe, 29, a second control valve, 30, a recovery conveying belt, 40, a return assembly, 41, a return collecting box, 42, a lifting auger, 43, a return pipe, 50, a partition assembly, 51, a supporting plate, 52, an electric push rod, 53, a partition plate, 60, a dust removing structure, 61, a dust hood, 62, a dust suction fan, 63, a dust removing box, 64, a filter screen, 70, a crushing box, 71, a crushing roller, 72, a gear, 73, a motor, 80 and a bin.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 9, a sieving machine for sustainable raw material pulverization includes a frame 10, a pulverizing assembly is mounted on the frame 10, the pulverizing assembly is used for pulverizing materials, a sieving structure 20 is disposed on the frame 10, the sieving structure 20 is located below the pulverizing assembly, the sieving structure 20 is used for performing multistage sieving operation on the pulverized materials, a backflow hopper 21 is connected to the sieving structure 20, the backflow hopper 21 is used for collecting unqualified materials after multistage sieving, a secondary pulverizing assembly connected with the frame 10 is disposed below the backflow hopper 21, the secondary pulverizing assembly is identical to the pulverizing assembly in structure, the secondary pulverizing assembly is used for pulverizing unqualified materials collected by the backflow hopper 21, a recovery conveyor 30 is disposed below the sieving structure 20 and the secondary pulverizing assembly, the recovery conveyor 30 is used for recovering the materials sieved by the sieving structure 20 and the materials crushed by the secondary pulverizing assembly, a return assembly 40 is disposed on one side of the frame 10, the return assembly 40 corresponds to the end position of the recovery conveyor 30, a plurality of partition assemblies 50 are disposed on the frame 10 and are used for partitioning the sieving structure 20 into a plurality of sieving areas, and a dust removing structure 60 is disposed on one side of the frame 10 and used for dust removing and producing dust in the dust removing process 60.

It should be noted that a baffle is provided on the recovery conveyor 30 for blocking the material from falling off the recovery conveyor 30 so that the material can be entirely conveyed to the inside of the return assembly 40.

As shown in fig. 3, 4 and 7, the pulverizing unit and the secondary pulverizing unit each include a pulverizing box 70, two pulverizing rollers 71 are rotatably connected to the inside of the pulverizing box 70, gears 72 engaged with each other are connected to the two pulverizing rollers 71, the two gears 72 are used for rotating the two pulverizing rollers 71 at the same time and the rotation directions of the two pulverizing rollers 71 are opposite, an input end of one pulverizing roller 71 is connected to a motor 73, and the motor 73 is used for driving one pulverizing roller 71 to rotate.

The material entering the crushing box 70 on the crushing assembly is crushed by the two crushing rollers 71 and then enters the screening structure 20 for screening operation, the material screened by the screening structure 20 enters the reflux hopper 21 and is conveyed to the crushing box 70 on the secondary crushing assembly by the reflux hopper 21, the crushed material passes through the two crushing rollers 71 on the secondary crushing assembly and falls on the recovery conveyor 30, and the material is conveyed to the crushing box 70 on the crushing assembly again by the recovery conveyor 30 and the return assembly for continuous crushing operation.

Screening structure 20 includes screening frame 22, screening frame 22 slope sets up, one side fixed mounting of screening frame 22 has vibrating motor 23, vibrating motor 23 is used for making screening frame 22 produce the vibration force and make the material downwardly moving, the internally mounted of screening frame 22 has a plurality of interconnect's screen cloth 24, screen cloth 24 slope sets up, and screen cloth 24 is parallel to screening frame 22 each other, screening frame 22's bottom side fixed mounting has a plurality of collecting hoppers 25, the collecting hoppers 25 corresponds with the quantity of screen cloth 24, the position of collecting hoppers 25 corresponds with screen cloth 24, collecting hoppers 25 and screen cloth 24 one-to-one, the bottom of a plurality of collecting hoppers 25 all fixedly connected with return pipe 26, all be connected with unloading subassembly and control valve one 27 on a plurality of return pipe 26, the unloading subassembly includes the unloading pipe 28 that is connected with return pipe 26, unloading pipe 28 slope sets up, control valve one 27 is located the below of unloading pipe 28, all be provided with control valve two 29 on a plurality of unloading pipes 28.

The mesh diameters of the plurality of screens 24 are different, the mesh diameters of the plurality of screens 24 are gradually increased from top to bottom, if the number of the screens 24 is three, the three screens 24 can be divided into a first screen, a second screen and a third screen from top to bottom, as shown in fig. 9, in the screening process, if the particle diameter of the qualified material is smaller than the mesh diameter of the first screen, the screened material on the second screen and the third screen is unqualified, at this time, a first control valve 27 corresponding to the position of the first screen is closed, a second control valve 29 corresponding to the position of the first screen is opened, at this time, the qualified material screened by the first screen is conveyed to the inside of a blanking pipe 28 through a collecting hopper 25 and a return pipe 26, and the blanking operation is performed by closing the second control valve 29 corresponding to the position of the second screen and the third screen, at this time, the unqualified material is conveyed to a recovery conveyer belt 30 through a collecting hopper 25 and a second control valve 27 corresponding to the position of the second screen, and the qualified material is conveyed to the inside of the blanking pipe 28 through a first control valve 29 corresponding to the second screen and the second control valve 26, at this time, the unqualified material is conveyed to the recovery conveyer belt 30 through the collecting hopper 25 and the second control valve 27 corresponding to the second screen, and the qualified material is conveyed to the inside of the blanking pipe 28 through the two control valves corresponding to the second screen and the second control valve is opened, and closing the second control valve 29 corresponding to the position of the third-stage screen, and opening the first control valve 27 corresponding to the position of the third-stage screen, so that the unqualified materials are conveyed to the recovery conveyor 30 through the collecting hopper 25 and the return pipe 26, and the subsequent return crushing operation is performed.

As shown in fig. 6, the return assembly 40 includes a return collecting tank 41, the return collecting tank 41 corresponds to the output end position of the recovery conveyor 30, the top side of the return collecting tank 41 is located below the conveying surface of the recovery conveyor 30, so that the recovery conveyor 30 can convey materials to the inside of the return collecting tank 41, a lifting auger 42 is connected to the return collecting tank 41, the lifting auger 42 is used for lifting the materials in the return collecting tank 41 to a high position, a return pipe 43 is connected to the lifting auger 42, the return pipe 43 is obliquely arranged, and the bottom end of the return pipe 43 is located above the crushing assembly.

The recovered material conveyed by the recovery conveyor 30 will enter the interior of the return collection bin 41 and in the process will be lifted to a high level by the lifting auger 42, and when lifted to a position corresponding to the return pipe 43, the material enters the return pipe 43 and is conveyed back to the interior of the crushing assembly under the action of the return pipe 43.

It should be noted that the bottom end of the returning material collecting box 41 is funnel-shaped, so that materials can be gathered at the bottom of the returning material collecting box 41, the lifting auger 42 is vertically arranged, the bottom end of the lifting auger 42 is located at the bottom of the returning material collecting box 41, and therefore the lifting auger 42 is convenient to lift the materials located at the bottom end of the lifting auger 42 to a high position, and the lifting auger 42 is an existing mature technology.

As shown in fig. 5, the dust removing structure 60 includes a dust collecting hood 61 connected with the frame 10, the dust collecting hood 61 is obliquely arranged, the dust collecting hood 61 is located above the crushing assembly and the sieving structure 20, the dust collecting hood 61 is connected with a dust collecting fan 62 through a pipeline, the dust collecting fan 62 is connected with a dust collecting box 63 through a pipeline, and a plurality of filter screens 64 are arranged inside the dust collecting box 63.

In the process of crushing and screening, the dust suction fan 62 may be started, and the dust suction hood 61 will absorb the dust generated by crushing and screening, and convey the dust to the inside of the dust removal box 63 through the pipeline, and perform filtering treatment operation on the dust through the plurality of filter screens 64 in the dust removal box 63.

It should be noted that the pipe connected to the dust box 63 is located below the lowermost filter screen 64 inside the dust box 63, and the mesh diameter of the filter screen 64 is gradually reduced from bottom to top, so that the dust can be better filtered.

As shown in fig. 7, the partition assembly 50 includes a support plate 51 connected to the frame 10, an electric push rod 52 is fixedly mounted on the top side of the support plate 51, a partition plate 53 is fixedly connected to the output end of the electric push rod 52, the partition plate 53 is located at the middle position of two adjacent screens 24, and the partition plate 53 is used for partitioning the middle regions of the two screens 24.

In the screening process, the electric push rod 52 is started to enable the partition plate 53 to move downwards and be attached to the screen 24, and the partition plate 53 is used for separating materials from the continuous downward movement, so that the materials can stay on one screen 24 for a longer time, and the screening effect on the materials is good.

It should be noted that the bottom surface of the partition plate 53 is an inclined surface, and the inclined surface portion of the partition plate 53 is parallel to the inclined direction of the screen 24, so that the partition plate 53 can be better attached to the screen 24, further, the effect of separating materials is better, and the situation that the materials continue to move downwards is avoided.

One side of the frame 10 is provided with a plurality of feed boxes 80, the feed boxes 80 correspond to the number of the blanking pipes 28, the feed boxes 80 correspond to the bottom end positions of the blanking pipes 28, the feed boxes 80 correspond to the blanking pipes 28 one by one, and the feed boxes 80 are used for collecting the screened qualified materials conveyed by the blanking pipes 28.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. A sieving machine for sustainable raw material pulverization, comprising:

frame (10):

The crushing assembly is arranged on the frame (10) and is used for crushing materials;

The screening structure (20) is arranged on the frame (10), the screening structure (20) is positioned below the crushing assembly, and the screening structure (20) is used for carrying out multistage screening operation on the crushed materials of the crushing assembly;

The reflux hopper (21) is connected with the screening structure (20), and the reflux hopper (21) is used for collecting unqualified materials after multistage screening;

The secondary crushing assembly is arranged below the reflux hopper (21), is arranged on the frame (10) and is used for crushing unqualified materials collected by the reflux hopper (21);

The recycling conveyor belt (30) is arranged below the screening structure (20) and the secondary crushing assembly, and the recycling conveyor belt (30) is used for recycling materials screened by the screening structure (20) and materials crushed by the secondary crushing assembly;

The material returning assembly (40) is arranged on one side of the frame (10), and the material returning assembly (40) corresponds to the end position of the recycling conveyor belt (30);

A plurality of partition assemblies (50) disposed on the frame (10), the partition assemblies (50) for dividing the screening structure (20) into a plurality of screening areas;

the dust removing structure (60) is arranged on one side of the frame (10), and the dust removing structure (60) is used for absorbing and treating dust generated in the crushing and screening process.

2. The screening machine of sustainable raw material crushing according to claim 1, wherein the crushing assembly and the secondary crushing assembly are identical in structure, the crushing assembly and the secondary crushing assembly comprise a crushing box (70), crushing rollers (71) and a motor (73), the crushing box (70) is connected with a frame (10), the number of the crushing rollers (71) is two, the two crushing rollers (71) are rotatably arranged in the crushing box (70), the two crushing rollers (71) are connected with gears (72), the two gears (72) are meshed with each other, the motor (73) is arranged on one side of the crushing box (70), and the output end of the motor (73) is connected with one end, far away from the gears (72), of one crushing roller (71).

3. The screening machine of claim 2, wherein the screening structure (20) comprises a screening frame (22), a vibrating motor (23), a screen (24), a collecting hopper (25) and a return pipe (26), the screening frame (22) is connected with the frame (10), the vibrating motor (23) is arranged on one side of the screening frame (22), the screen (24) is multiple, the screen (24) is connected with each other, the screen (24) is arranged in the screening frame (22), the screen (24) is obliquely arranged, the collecting hopper (25) is multiple, the collecting hopper (25) is connected with the screening frame (22), the collecting hopper (25) is corresponding to the screen (24), the return pipe (26) is multiple, the return pipe (26) is connected with the end part of the collecting hopper (25), and the return pipe (26) is corresponding to the control valve (27).

4. The screening machine for sustainable raw material crushing according to claim 3, wherein the blanking component comprises a blanking pipe (28) and a second control valve (29), the blanking pipe (28) is connected with the return pipe (26), the blanking pipe (28) is obliquely arranged, and the second control valve (29) is connected with the blanking pipe (28).

5. The screening machine of sustainable raw material crushing according to claim 4, wherein the material returning assembly (40) comprises a material returning collecting box (41), a lifting auger (42) and a material returning pipe (43), the material returning collecting box (41) is arranged on one side of the recycling conveyor belt (30), the material returning collecting box (41) corresponds to the output end position of the recycling conveyor belt (30), the lifting auger (42) is arranged on the material returning collecting box (41), the material returning pipe (43) is arranged at the end position of the lifting auger (42), the material returning pipe (43) is obliquely arranged, and the bottom end of the material returning pipe (43) is arranged above the crushing assembly.

6. The screening machine of sustainable raw material crushing according to claim 4, wherein the dust collection structure (60) comprises a dust collection cover (61), a dust collection fan (62), a dust collection box (63) and a filter screen (64), the dust collection cover (61) is connected with the top side of the frame (10), the dust collection cover (61) is located above the crushing assembly and the screening structure (20), the dust collection fan (62) is connected with the end part of the dust collection cover (61) through a pipeline, the dust collection box (63) is arranged on one side of the frame (10), the dust collection box (63) is connected with the dust collection fan (62) through a pipeline, a plurality of filter screens (64) are uniformly arranged in the dust collection box (63).

7. The screening machine for sustainable raw material crushing according to claim 6, wherein the partition assembly (50) comprises a supporting plate (51), an electric push rod (52) and a partition plate (53), the supporting plate (51) is arranged on the top side of the frame (10), the electric push rod (52) is connected with the supporting plate (51), and the partition plate (53) is connected with the output end of the electric push rod (52).

8. The screening machine for sustainable raw material crushing according to claim 6, wherein a plurality of feed boxes (80) are arranged on one side of the frame (10), the feed boxes (80) correspond to the number of the blanking pipes (28), the feed boxes (80) correspond to the bottom end positions of the blanking pipes (28), and the feed boxes (80) correspond to the blanking pipes (28) one by one.