CN209935226U

CN209935226U - Civil building sand screening device

Info

Publication number: CN209935226U
Application number: CN201920693923.8U
Authority: CN
Inventors: 李书艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-01-14
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a civil construction sand sieving mechanism, including the device main part, the equal fixed mounting in position of the inner wall both sides of device main part has the dust cover, and the fixed position in the middle of the inner wall bottom of dust cover installs electric putter, two movable groove has all been seted up to the lateral surface that the dust cover is relative, two be provided with first screen cloth between the dust cover, electric putter's upper end surface fixedly connected with pegs graft at the horizontal pole of first screen cloth one side surface, and the horizontal pole runs through in movable groove, fixed position in the middle of the inner wall top of dust cover installs the gag lever post, is located fixed mounting has reset spring between inside horizontal pole of dust cover and the gag lever post, the upper end surface intermediate position of device main part is provided with a feeding section of thick bamboo. The utility model discloses, can guarantee that first screen cloth is in the inside even vibration of device main part, improve the screening precision of sand, carry out stage treatment to it.

Description

Civil building sand screening device

Technical Field

The utility model relates to a sand sieving mechanism technical field specifically is a civil construction sand sieving mechanism.

Background

The civil building is a general name of buildings and structures, sand is the most common base material in building construction, is a main raw material for preparing concrete in building construction, and generally has certain requirements on the granularity of the added sand in order to ensure the mechanical property of a concrete finished product, and the specification of the added sand is required to be in a certain range.

But current sand sieving mechanism has certain drawback when using, and it can only carry out once screening, and the precision of screening sand is relatively poor, is difficult to carry out hierarchical processing to it, reduces its performance.

Therefore, the civil building sand screening device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a civil construction sand sieving mechanism can guarantee that first screen cloth evenly vibrates in the inside of device main part, carries out a lot of screening, improves the screening precision of sand, carries out stage treatment to it to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a civil building sand screening device comprises a device main body, dust covers are fixedly mounted at two sides of the inner wall of the device main body, an electric push rod is fixedly mounted at the middle position of the bottom end of the inner wall of each dust cover, movable grooves are formed in the outer side faces, opposite to the two dust covers, of the two dust covers, a first screen is arranged between the two dust covers, a cross rod inserted into the outer surface of one side of the first screen is fixedly connected to the outer surface of the upper end of the electric push rod and penetrates through the movable grooves, a limiting rod is fixedly mounted at the middle position of the top end of the inner wall of each dust cover, a reset spring is fixedly mounted between the cross rod and the limiting rod in the dust covers, a feeding barrel is arranged at the middle position of the outer surface of the upper end of the device main body, a discharging barrel with the same caliber as the outer surface of the lower end, the surface of feed cylinder all is provided with the screw thread with the position that the device main part and feed cylinder contacted down, and the coefficient of rotation of screw thread is the same, the inside of device main part is close to the position movable mounting of lower extreme and has the second screen cloth, and the position that lies in the second screen cloth below on the inner wall of device main part has seted up the discharge gate, the one side surface that the device main part lies in the one end movable mounting of second screen cloth has the shrouding, and the device main part keeps away from the position fixed mounting that one side surface of shrouding lies in the second screen cloth other end has vibrating motor, the quantity of horizontal pole is two, and its both sides surface intermediate position that lies in first screen cloth respectively, the bore of first screen cloth.

Start two electric putter, make its horizontal pole that drives first screen cloth both ends simultaneously carry out the rebound, extrude reset spring, make the straight-bar upward movement in the gag lever post simultaneously, then electric putter contracts, drive two horizontal poles and move down respectively in the movable groove, reset spring resets, can play the effect of buffering at first screen cloth whereabouts in-process, thereby guarantee that first screen cloth can carry out even vibration in the inside of device main part, carry out primary screening to the sand, then thinner sand falls into in the second screen cloth, start vibrating motor, make it drive the vibration of second screen cloth, filter once more to it, fine sand after the screening flows from the discharge gate, coarse sand after filter once more piles up to handle it through dismantling the shrouding after the certain degree on the second screen cloth, improve the screening precision of sand, carry out classification to it.

Preferably, a straight rod with one end located inside the limiting rod is arranged inside the return spring, and the straight rod can slide up and down inside the limiting rod.

The straight rod is located inside the limiting rod, so that the situation that the reset spring is bent when ascending and descending can be prevented.

Preferably, the second screen is placed in an inclined manner, and the lower end of the second screen and the outer surface of the lower end of the sealing plate are located on the same horizontal line.

The inclined placement is convenient for a user to clean coarse sand filtered by the second screen.

Preferably, the lower barrel penetrates through the inner wall of the device body at the upper end and is positioned above the first screen.

Above-mentioned setting can make the steady condition emergence that flies upward at device main part of dust that causes in the sand whereabouts in-process on first screen cloth that falls of sand.

Preferably, the horizontal plane of the outer surface of the lower end of the lower charging barrel is positioned above the horizontal plane of the top end of the inner surface of the movable groove.

This arrangement can prevent the first screen from coming into contact with the lower cylinder when the first screen moves upward.

Preferably, the shape of the discharge hole is trapezoidal, and one end with a smaller caliber is positioned below the discharge hole.

The one end that the bore is less is located the below, and the fine sand after conveniently handling through the second screen cloth flows out from the discharge gate.

Preferably, the two electric push rods in the dust cover have the same running speed, and the electric push rods and the vibration motor are both electrically connected with the outside.

The above arrangement is used to ensure the proper operation of the device.

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

the utility model discloses, start two electric putter, make it drive the horizontal pole at first screen cloth both ends simultaneously and carry out upward movement, extrude reset spring, make the straight-bar move up in the gag lever post simultaneously, then electric putter contracts, drive two horizontal poles and move down respectively in the activity groove, reset spring resets, can play the effect of buffering in the first screen cloth whereabouts process, thereby guarantee that first screen cloth can carry out even vibration in the inside of device main part, carry out primary screening to the sand, then finer sand falls into the second screen cloth, start vibrating motor, make it drive the vibration of second screen cloth, filter it once more, the fine sand after the screening flows out from the discharge gate, the coarse sand after the screening once more piles up to handle it through dismantling the shrouding after certain degree on the second screen cloth, carry out screening many times, improve the screening precision of sand, it is subjected to classification processing.

Drawings

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

FIG. 2 is a view of the device body of the present invention in combination with a feed cylinder;

FIG. 3 is a combined view of the feeding cylinder and the discharging cylinder of the present invention;

fig. 4 is a combined view of the cross bar and the movable groove of the present invention.

In the figure: 1. a device main body; 2. a dust cover; 3. a first screen; 4. a cross bar; 5. an electric push rod; 6. a return spring; 7. a limiting rod; 8. a feeding cylinder; 9. a second screen; 10. closing the plate; 11. a discharge port; 12. feeding the material barrel; 13. a stationary ring; 14. a thread; 15. a movable groove; 16. a vibration motor.

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. 1-4, the present invention provides a technical solution: a civil building sand screening device comprises a device main body 1, wherein dust covers 2 are fixedly arranged at the positions of two sides of the inner wall of the device main body 1, an electric push rod 5 is fixedly arranged at the position in the middle of the bottom end of the inner wall of each dust cover 2, movable grooves 15 are formed in the outer side faces of the two dust covers 2, a first screen 3 is arranged between the two dust covers 2, the outer surface of the upper end of the electric push rod 5 is fixedly connected with a cross rod 4 inserted into the outer surface of one side of the first screen 3, the cross rod 4 penetrates through the movable grooves 15, a limiting rod 7 is fixedly arranged at the position in the middle of the top end of the inner wall of each dust cover 2, a reset spring 6 is fixedly arranged between the cross rod 4 and the limiting rod 7 in the dust cover 2, a feeding barrel 8 is arranged at the middle position of the outer surface of the upper end of the device main body 1, and a, a discharge hole 11 is formed in the inner wall of the device main body 1 and is positioned below the second screen 9, a sealing plate 10 is movably mounted at one end, positioned at the second screen 9, of the outer surface of one side of the device main body 1, and the caliber of the first screen 3 is larger than that of the second screen 9;

as shown in fig. 2-3, a lower barrel 12 with the same caliber as the lower end of the feeding barrel 8 is fixedly installed on the outer surface of the lower end of the feeding barrel 8, a fixed ring 13 is wrapped on the contact position of the lower barrel 12 and the feeding barrel 8, threads 14 are arranged on the outer surface of the lower barrel 12 and the contact position of the device main body 1 and the lower barrel 12, and the rotation coefficients of the threads 14 are the same;

as shown in fig. 4, a vibration motor 16 is fixedly mounted on the outer surface of one side of the device body 1 away from the closing plate 10, which is located at the other end of the second screen 9, and the number of the cross bars 4 is two, and the cross bars are respectively located at the middle positions of the outer surfaces of the two sides of the first screen 3.

By adopting the technical scheme, the two electric push rods 5 are started to simultaneously drive the transverse rods 4 at the two ends of the first screen 3 to move upwards and extrude the reset spring 6, the straight rod is enabled to move upwards in the limiting rod 7, then the electric push rods 5 contract to drive the two transverse rods 4 to respectively move downwards in the movable grooves 15, the reset spring 6 resets and can play a role of buffering in the falling process of the first screen 3, so that the first screen 3 can uniformly vibrate in the device main body 1 to primarily screen sand, then the thinner sand falls into the second screen 9, the vibrating motor 16 is started to drive the second screen 9 to vibrate and screen the sand again, the fine sand after screening flows out from the discharge port 11, the coarse sand after secondary screening is accumulated on the second screen 9 to a certain degree and then is processed by disassembling the seal plate 10, the screening precision of the sand is improved, and grading treatment is carried out on the sand.

Specifically, as shown in fig. 1, a straight rod with one end located inside the limiting rod 7 is arranged inside the return spring 6, and the straight rod can slide up and down inside the limiting rod 7.

Through adopting above-mentioned technical scheme, the straight-bar is located the inside of gag lever post 7 and can prevents that reset spring 6 from taking place crooked condition when going on oscilaltion.

Specifically, as shown in fig. 1, the second screen 9 is disposed obliquely, and its lower end is located on the same horizontal line with the outer surface of the lower end of the closing plate 10.

Through adopting above-mentioned technical scheme, the slope is placed convenient to use person and is cleared up the coarse sand after filtering via second screen cloth 9.

Specifically, as shown in fig. 1, the lower barrel 12 penetrates the upper end of the inner wall of the apparatus main body 1 and is positioned above the first screen 3.

Through adopting above-mentioned technical scheme, above-mentioned setting can make the steady condition emergence that flies upward at device main part 1 of dust that causes in the sand whereabouts in-process on first screen cloth 3 that falls of sand is prevented.

Specifically, as shown in fig. 1, the outer surface of the lower end of the lower barrel 12 is located at a level above the level of the top end of the inner surface of the movable groove 15.

By adopting the above technical solution, this arrangement can prevent the first screen 3 from coming into contact with the lower barrel 12 when moving upward.

Specifically, as shown in fig. 1, the discharge hole 11 is trapezoidal, and one end of the discharge hole with a smaller caliber is located below the discharge hole.

Through adopting above-mentioned technical scheme, the less one end of bore is located the below, and the fine sand after conveniently handling through second screen cloth 9 flows out from discharge gate 11.

Specifically, as shown in fig. 1, the operation speeds of the electric push rods 5 inside the two dust covers 2 are the same, and both the electric push rods 5 and the vibration motor 16 are electrically connected to the outside.

Through adopting above-mentioned technical scheme, above-mentioned setting is used for guaranteeing the normal operating of the device.

The working principle is as follows: starting two electric push rods 5 to drive the cross rods 4 at two ends of the first screen 3 to move upwards simultaneously, extruding a return spring 6, enabling the straight rod to move upwards in a limiting rod 7 simultaneously, then contracting the electric push rods 5 to drive the two cross rods 4 to move downwards in a movable groove 15 respectively, resetting the return spring 6, playing a buffering role in the falling process of the first screen 3, thereby ensuring that the first screen 3 can uniformly vibrate in the device main body 1 to primarily screen sand, then falling the thinner sand into the second screen 9, starting a vibration motor 16 to drive the second screen 9 to vibrate, screening the thinner sand again, flowing out the screened fine sand from a discharge port 11, piling the screened coarse sand on the second screen 9 to a certain degree, then treating the coarse sand by disassembling a seal plate 10, and screening the sand for multiple times, the screening precision of the sand is improved, and grading treatment is carried out on the sand.

The using method comprises the following steps: when in use, firstly, sand is poured into the feeding cylinder 8, the sand falls on the first screen cloth 3 through the discharging cylinder 12, the two electric push rods 5 are started to simultaneously drive the cross rods 4 at the two ends of the first screen cloth 3 to move upwards, the reset springs 6 are extruded, the straight rods move upwards in the limiting rods 7, then the electric push rods 5 contract to drive the two cross rods 4 to move downwards in the movable grooves 15 respectively, the reset springs 6 reset and play a role in buffering in the falling process of the first screen cloth 3, so that the first screen cloth 3 can uniformly vibrate in the device main body 1 to primarily screen the sand, then the thinner sand falls into the second screen cloth 9, the vibrating motor 16 is started to drive the second screen cloth 9 to vibrate and screen the second screen cloth 9 again, the screened fine sand flows out from the discharging port 11, the screened coarse sand is accumulated on the second screen cloth 9 to a certain degree and then is treated by disassembling the sealing plate 10, improve the screening precision of sand, carry out hierarchical processing to it, last rotatory feeding section of thick bamboo 8, make it drive down feed cylinder 12 rotatory, under the effect of screw thread 14, feed cylinder 12 and device main part 1 separation down to dismantle feeding section of thick bamboo 8 from device main part 1, and start electric putter 5 and make first screen cloth 3 rise to highest position, handle remaining great sand on first screen cloth 3 through the opening of installing down feed cylinder 12, the model that electric putter 5 adopted is XTL, the model that vibrating motor 16 adopted is YZS-1.5-2.

The installation method comprises the following steps:

firstly, a lower charging barrel 12 and a feeding barrel 8 are installed together through a fixed ring 13 and are installed on a device body 1 through threads 14;

secondly, installing a dust cover 2, an electric push rod 5, a first screen 3, a return spring 6 and a limiting rod 7 in the device main body 1;

and thirdly, finally, installing a second screen 9 and a vibrating motor 16 in the device body 1.

The electric elements that appear here all are connected through transformer and external master controller and 220V commercial power electricity to the master controller can play the conventional known equipment of control for the computer and so on, the utility model provides a product model is only for the use that this technical scheme goes on according to the structural feature of product, and its product can be adjusted and reformed transform after purchasing, makes it match more and accord with the utility model discloses technical scheme belongs to, it is the technical scheme of this technical scheme best application, and the model of its product can be according to the technical parameter of its needs and replace and reform transform, and it is known for technical personnel that belong to in the field, consequently, what technical personnel that belong to in the field can be clear passes through the utility model provides a corresponding result of use.

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

1. The utility model provides a civil construction sand sieving mechanism, includes device main part (1), its characterized in that: the device is characterized in that dust covers (2) are fixedly arranged at the two sides of the inner wall of the device main body (1), an electric push rod (5) is fixedly arranged at the middle position of the bottom end of the inner wall of each dust cover (2), movable grooves (15) are formed in the two opposite outer side surfaces of the dust covers (2), a first screen (3) is arranged between the two dust covers (2), a cross rod (4) inserted into the outer surface of one side of the first screen (3) is fixedly connected to the outer surface of the upper end of each electric push rod (5), the cross rod (4) penetrates through each movable groove (15), a limiting rod (7) is fixedly arranged at the middle position of the top end of the inner wall of each dust cover (2), a reset spring (6) is fixedly arranged between the cross rod (4) and the limiting rod (7) inside each dust cover (2), and a feeding barrel (8) is arranged at the, a lower feed cylinder (12) with the same caliber as the feed cylinder is fixedly arranged on the outer surface of the lower end of the feed cylinder (8), a fixing ring (13) is wrapped on the position where the lower feed cylinder (12) is contacted with the feed cylinder (8), threads (14) are arranged on the outer surface of the lower feed cylinder (12) and the position where the device main body (1) is contacted with the lower feed cylinder (12), the rotation coefficients of the threads (14) are the same, a second screen (9) is movably arranged at the position, close to the lower end, in the device main body (1), a discharge hole (11) is formed in the position, below the second screen (9), on the inner wall of the device main body (1), a seal plate (10) is movably arranged at one end, located on the second screen (9), of the outer surface of one side of the device main body (1), a vibrating motor (16) is fixedly arranged at the position, located at the other end of the second screen (, the number of the cross rods (4) is two, the cross rods are respectively located in the middle positions of the outer surfaces of the two sides of the first screen (3), and the caliber of the first screen (3) is larger than that of the second screen (9).

2. The civil building sand screening device of claim 1, wherein: a straight rod with one end located inside the limiting rod (7) is arranged inside the reset spring (6), and the straight rod can slide up and down inside the limiting rod (7).

3. The civil building sand screening device of claim 1, wherein: the second screen (9) is obliquely arranged, and the lower end of the second screen and the outer surface of the lower end of the sealing plate (10) are positioned on the same horizontal line.

4. The civil building sand screening device of claim 1, wherein: the feeding barrel (12) penetrates through the upper end of the inner wall of the device main body (1) and is positioned above the first screen (3).

5. The civil building sand screening device of claim 1, wherein: the horizontal plane of the outer surface of the lower end of the lower charging barrel (12) is positioned above the horizontal plane of the top end of the inner surface of the movable groove (15).

6. The civil building sand screening device of claim 1, wherein: the discharge hole (11) is trapezoidal in shape, and one end with a smaller caliber is positioned below the discharge hole.

7. The civil building sand screening device of claim 1, wherein: the two electric push rods (5) in the dust covers (2) have the same running speed, and the electric push rods (5) and the vibration motor (16) are electrically connected with the outside.