CN211385155U - Automatic sand screening machine - Google Patents

Abstract

When the automatic sand screening machine is used, sand is pumped to the first sand screening part through the sand pumping part, sand screened by the first sand screening part can directly enter the second sand screening part to be screened, large-particle sand and sand blocks are conveyed to the sand crushing device by the first sand screening part to be crushed, then the sand enters the second sand screening part from the sand crushing device to be screened, finally needed sand enters the sand discharging port through a filter screen of the second sand screening part, and the unwanted sand enters the waste material port from the bottom of the second sand screening part; the sand screening machine has the functions of pumping sand, screening sand, crushing sand blocks and the like, and is simple in structure and high in cost performance, and secondary sand screening is not needed, so that the working efficiency is improved.

Description

Automatic sand screening machine

Technical Field

The utility model relates to a screening sand machine field specifically is an automatic screening sand machine.

Background

In a building construction site, a large amount of sand is needed, in order to prevent dust raising and facilitate transportation and storage, the sand is often wetted, and the phenomena of adhesion, caking, blocking and the like of the sand are caused, so that certain trouble is brought to sand screening, and common sand screening equipment is not thorough in sand screening, secondary screening is often needed, and the working efficiency is low; at present, a full-automatic sand screening machine is available in the market, sand on the ground can be conveyed to the machine through a conveyer arranged on a machine body for screening, but the machine is too complex in structure and too large in size.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

For solving the above problem, the utility model provides an automatic sand sieving machine, this sand sieving machine both possess take out husky, sieve husky, stir functions such as bits of broken sand, and simple structure, the sexual valence relative altitude, this sand sieving machine does not need the secondary to sieve husky in addition to improve work efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic sand screening machine comprises a machine body, a sand pumping part, a first sand screening part, a sand crushing device and a second sand screening part, wherein an opening is formed above the machine body, a first cavity and a second cavity are formed in the machine body, the first cavity and the second cavity are communicated with the opening above the machine body, and the bottoms of the first cavity and the second cavity are respectively provided with a sand discharging opening and a waste material opening; the sand pumping part is detachably arranged on one side of the upper surface of the machine body and comprises a sand outlet hopper which is positioned above the opening; the first sand screening part is arranged between the opening of the machine body and the sand outlet hopper, so that sand falls to the first sand screening part after passing through the sand outlet hopper to be screened for the first time; the sand crushing device is arranged on one side of the first sand screening part far away from the sand pumping part and is rotatably connected with the machine body; the second sand screening portion is arranged below the first sand screening portion and located above the first cavity, one end, close to the sand pumping portion, of the second sand screening portion is arranged above the second cavity and rotatably connected with the machine body, and one end, far away from the sand pumping portion, of the second sand screening portion is movably connected with the machine body.

Preferably, the first sand screening part comprises a first screen, a conveying part and a first motor, the first motor is used for driving the conveying part to rotate, and the first screen is installed on the conveying part and rotates along with the conveying part.

Preferably, the conveying part comprises a first wheel rod, a second wheel rod and a toothed chain, the first wheel rod is in driving connection with the output shaft of the first motor, and the second wheel rod is in driving connection with the first wheel rod through the toothed chain; the first screen is installed on the toothed chain and rotates along with the toothed chain, and the first motor is installed on one side of the machine body close to the sand pumping portion.

Preferably, the sand pumping part further comprises a sand pumping pump and a sand guiding pipe, and the sand pumping pump and the sand guiding pipe are both arranged on one side far away from the sand outlet hopper.

Preferably, the sand crushing device comprises a sand crushing wheel rod and a second motor, the sand crushing wheel rod is in driving connection with the second motor, and the second motor is arranged on one side of the machine body close to the second wheel rod.

Preferably, the second sand sieving portion comprises a fixing frame, a second screen and a third motor, an output shaft of the third motor is connected with an eccentric shaft, one end of the fixing frame, which is close to the sand pumping portion, is arranged above the joint of the first cavity and the second cavity and is rotatably connected with the machine body, and one end of the fixing frame, which is far away from the sand pumping portion, is movably connected with the eccentric shaft, so that one end of the fixing frame, which is far away from the sand pumping portion, can shake up and down relative to the machine body.

Preferably, a long groove is vertically formed at the joint of the machine body and one end of the fixing frame, which is far away from the sand pumping part, so that the joint of the fixing frame and the eccentric shaft can move up and down along the long groove.

Preferably, one end of the fixing frame, which is close to the second cavity, is designed to be inclined downwards, the inclination angle of the fixing frame is alpha, and the angle alpha is 10-20 degrees.

Preferably, the vibration amplitude of the eccentric shaft is 10cm-15 cm.

(III) advantageous effects

The utility model provides an automatic sand screening machine, including first sand screening portion, second sand screening portion, take out sand portion and garrulous husky device, when using this sand screening machine, through taking out sand portion with sand pump send to first sand screening portion, the sand that is sieved husky and accomplished by first sand screening portion can directly get into second sand screening portion and sieve husky, and sand and the sand piece of large granule are conveyed to garrulous husky device department by first sand screening portion and are stirred the bits of broken stones and put, then get into second sand screening portion by garrulous husky device and sieve husky, the sand that finally needs can get into the sand discharge mouth through the filter screen of second sand screening portion, and the sand that does not need gets into the waste material mouth by second sand screening portion bottom; the sand screening machine has the functions of pumping sand, screening sand, crushing sand blocks and the like, and is simple in structure and high in cost performance, and secondary sand screening is not needed, so that the working efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic view of the overall structure of the present invention;

figure 2 shows a cross-sectional view of the present invention;

FIG. 3 shows an enlarged view at B in FIG. 1;

fig. 4 shows a part of the structure diagram of the invention;

FIG. 5 shows a cross-sectional view of FIG. 4;

fig. 6 shows a schematic diagram of a part of the structure of the present invention.

In the figure: the sand screening machine comprises a machine body 1, a 10-opening sand pump, a 11-first cavity, a 110-sand discharging opening, a 12-second cavity, a 120-waste opening, a 2-sand pumping part, a 21-sand discharging bucket, a 22-sand pumping pump, a 23-sand guiding pipe, a 3-first sand screening part, a 31-first screen, a 32-conveying part, a 320-toothed chain, a 321-first wheel rod, a 322-second wheel rod, a 33-first motor, a 4-sand crushing device, a 41-sand crushing wheel rod, a 42-second motor, a 5-second sand screening part, a 51-fixing frame, a 52-second screen, a 53-third motor, an A-eccentric shaft and a 1A-long strip groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an automatic sand screening machine comprises a machine body 1, a sand pumping part 2, a first sand screening part 3, a sand crushing device 4 and a second sand screening part 5, wherein an opening 10 is formed above the machine body 1, a first cavity 11 and a second cavity 12 are formed in the machine body 1, the first cavity 11 and the second cavity 12 are communicated with the opening 10 above the machine body 1, and the bottoms of the first cavity 11 and the second cavity 12 are respectively provided with a sand discharge port 110 and a waste port 120; the sand pumping part 2 is detachably arranged on one side of the upper surface of the machine body 1, the sand pumping part 2 comprises a sand outlet hopper 21, and the sand outlet hopper 21 is positioned above the opening 10; the first sand screening part 3 is arranged between the opening 10 of the machine body 1 and the sand outlet hopper 21, so that sand falls to the first sand screening part 3 through the sand outlet hopper 21 to be screened for the first time; the sand crushing device 4 is arranged on one side of the first sand screening part 3 far away from the sand pumping part 2 and is rotatably connected with the machine body 1; second sieve husky portion 5 sets up in first sieve husky portion 3 below, and is located first cavity 11 top, and second sieve husky portion 5 is close to the one end setting of taking out husky portion 2 in the top of second cavity 12, and rotationally is connected with organism 1, and second sieve husky portion 5 keeps away from the one end and organism 1 swing joint of taking out husky portion 2.

In summary, when the sand screening machine is used, sand is pumped to the first sand screening portion 3 below the sand outlet hopper 21 through the sand pumping portion 2, sand screened by the first sand screening portion 3 directly enters the second sand screening portion 5 to be screened, large-particle sand and sand lumps are conveyed to the sand crushing device 4 by the first sand screening portion 3 to be crushed, then enter the second sand screening portion 5 from the sand crushing device 4 to be screened, finally needed sand flows to the sand discharge port 110 below the first cavity 11 through the filter screen of the second sand screening portion 5, and unwanted sand flows to the waste port 120 below the second cavity 12 from the bottom of the second sand screening portion 5; therefore, the sand screening machine has the functions of pumping sand, screening sand, crushing sand blocks and the like, has simple structure and high cost performance, does not need secondary sand screening, and improves the working efficiency

Referring to fig. 1 to 5, the first sand sieving portion 3 includes a first sieve 31, a conveying portion 32, and a first motor 33, the first motor 33 is used for driving the conveying portion 32 to rotate, and the first sieve 31 is installed on the conveying portion 32 and rotates with the conveying portion 32.

Referring to fig. 1 to 5, the transmission part 32 includes a first wheel rod 321, a second wheel rod 322 and a toothed chain 320, the first wheel rod 321 is in driving connection with the output shaft of the first motor 33, and the second wheel rod 322 is in driving connection with the first wheel rod 321 through the toothed chain 320; the first screen 31 is installed on the toothed chain 320 and rotates with the toothed chain 320, the first motor 33 is installed at one side of the machine body 1 close to the sand pumping part 2 so as to drive the first wheel rod 321 through the first motor 33, the first wheel rod 321 drives the second wheel rod 322 through the toothed chain, the first screen 31 moves from the first wheel rod 321 to the second wheel rod 322 along with the toothed chain 320, and the unfiltered sand on the first screen 31 is also transmitted to the second wheel rod 322.

Referring to fig. 1 to 5, the sand pumping part 2 further includes a sand pumping pump 22 and a sand guiding pipe 23, the sand pumping pump 22 and the sand guiding pipe 23 are both installed at a side away from the sand outlet bucket 21, the sand pumping pump 22 pumps sand on the ground into the sand outlet bucket 21 through the sand guiding pipe 23, and further the sand can flow from the sand outlet bucket 21 to the first screen 31 for the first sand sieving operation.

Referring to fig. 1-5, the sand crushing device 4 comprises a sand crushing wheel rod 41 and a second motor 42, the sand crushing wheel rod 41 is in driving connection with the second motor 42, the second motor 42 is installed on the side of the machine body 1 close to the second wheel rod 322, and sand blocks conveyed to the second wheel rod 322 by the first screen 31 fall onto the sand crushing device 4, are crushed by the sand crushing device 4 and finally fall onto the second sand screening portion 5.

Referring to fig. 1 to 5, the second sand sieving portion 5 includes a fixing frame 51, a second screen 52 and a third motor 53, an output shaft of the third motor 53 is connected with an eccentric shaft a, one end of the fixing frame 51 close to the sand pumping portion 2 is disposed above a connection between the first cavity 11 and the second cavity 12 and rotatably connected with the machine body 1, one end of the fixing frame 51 far from the sand pumping portion 2 is movably connected with the eccentric shaft a, and a long groove 1A is vertically disposed at a connection between the machine body 1 and one end of the fixing frame 51 far from the sand pumping portion 2, so that the connection between the fixing frame 51 and the eccentric shaft a can move up and down along the long groove 1A, and thus one end of the fixing frame 51 far from the sand pumping portion 2 can shake up and down relative to the machine body 1; the vibration amplitude of the eccentric shaft A is 10cm-15 cm.

In summary, when the second sand sieving part 5 works, the eccentric shaft a continuously rotates, and when the eccentricity moves upwards, the end of the fixing frame 51 connected with the eccentric shaft a is driven to rise along the direction of the long groove 1A, so that the second screen 52 rises, and the material on the second screen 52 is thrown and loosened; when the eccentric distance moves downwards, the end of the fixed frame 51 connected with the eccentric shaft A is driven to descend along the direction of the long strip groove 1A, so that the second screen 52 descends, and the thrown material falls back to the net surface of the second screen 52 by self weight; the material is thrown many times on the second screen 52, and falls down to make the fine grain that is less than the sieve mesh drop to go out the sand mouth through the sieve mesh and become undersize product, and the oversize coarse grain that is greater than the sieve mesh is discharged to waste material mouth 120 by second screen 52 end and is the product on the sieve to reach the mesh that the granule crowd that various granularity constitutes sieves into different granularity grades product.

Referring to fig. 1-5, the end of the fixing frame 51 close to the second cavity 12 is designed to be inclined downward, the inclination angle is α, and the angle α is 10 ° -20 °, so that when the second screen 52 vibrates, the waste sand on the screen can flow into the second cavity 12 from the top end of the second screen 52 more easily, and finally flows out of the waste port 120.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

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

Claims (9)

1. An automatic sand screening machine, comprising:

the sand-discharging machine comprises a machine body (1), wherein an opening (10) is formed in the upper portion of the machine body (1), a first cavity (11) and a second cavity (12) are formed in the machine body (1), the first cavity (11) and the second cavity (12) are communicated with the opening (10) in the upper portion of the machine body (1), and the bottoms of the first cavity (11) and the second cavity (12) are respectively provided with a sand discharging opening (110) and a waste material opening (120);

the sand pumping part (2) is detachably arranged on one side of the upper surface of the machine body (1), the sand pumping part (2) comprises a sand outlet hopper (21), and the sand outlet hopper (21) is positioned above the opening (10);

the first sand screening part (3) is arranged between the opening (10) of the machine body (1) and the sand outlet hopper (21) so that sand falls to the first sand screening part (3) after passing through the sand outlet hopper (21) to be screened for the first time;

the sand crushing device (4) is arranged on one side of the first sand screening part (3) far away from the sand pumping part (2) and is rotatably connected with the machine body (1);

second sieve husky portion (5), set up first sieve husky portion (3) below, and be located first cavity (11) top, second sieve husky portion (5) are close to the one end setting of taking out husky portion (2) in the top of second cavity (12), and rotationally are connected with organism (1), and the one end and organism (1) swing joint of taking out husky portion (2) are kept away from in second sieve husky portion (5).

2. An automatic sand screen according to claim 1, characterized in that the first sand screen (3) comprises a first screen (31), a conveyor (32) and a first motor (33), the first motor (33) being adapted to drive the conveyor (32) in rotation, the first screen (31) being mounted on the conveyor (32) and rotating with the conveyor (32).

3. An automatic sand screen according to claim 2, characterized in that the transfer part (32) comprises a first wheel lever (321), a second wheel lever (322) and a toothed chain (320), the first wheel lever (321) being in driving connection with the output shaft of the first motor (33), the second wheel lever (322) being in driving connection with the first wheel lever (321) via the toothed chain (320); the first screen (31) is arranged on the toothed chain (320) and rotates along with the toothed chain (320), and the first motor (33) is arranged on one side of the machine body (1) close to the sand pumping part (2).

4. An automatic sand screen according to claim 1, characterized in that the sand pump (2) further comprises a sand pump (22) and a sand guiding pipe (23), both the sand pump (22) and the sand guiding pipe (23) being mounted on the side remote from the sand hopper (21).

5. An automatic sand screening machine according to claim 1, characterized in that the sand crushing device (4) comprises a sand crushing wheel rod (41) and a second motor (42), the sand crushing wheel rod (41) and the second motor (42) are in driving connection, and the second motor (42) is arranged at the side of the machine body (1) close to the second wheel rod (322).

6. The automatic sand screening machine of claim 1, wherein the second sand screening part (5) comprises a fixed frame (51), a second screen (52) and a third motor (53), an output shaft of the third motor (53) is connected with an eccentric shaft (A), one end of the fixed frame (51) close to the sand pumping part (2) is arranged above the joint of the first cavity (11) and the second cavity (12) and is rotatably connected with the machine body (1), and one end of the fixed frame (51) far away from the sand pumping part (2) is movably connected with the eccentric shaft (A), so that one end of the fixed frame (51) far away from the sand pumping part (2) can shake up and down relative to the machine body (1).

7. An automatic sand screening machine according to claim 6, characterized in that the connection between the machine body (1) and the end of the fixed frame (51) far away from the sand pumping part (2) is vertically provided with a long groove (1A), so that the connection between the fixed frame (51) and the eccentric shaft (A) can move up and down along the long groove (1A).

8. An automatic sand screen according to claim 6, characterized in that the holder (51) is arranged obliquely downwards near the end of the second chamber (12) at an angle α of 10 ° -20 °.

9. An automatic sand screen according to claim 7, characterised in that the vibration amplitude of the eccentric shaft (A) is between 5cm and 10 cm.

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