CN113731788A

CN113731788A - But sand stone sieve separator is used in processing of building construction concrete of grading screening

Info

Publication number: CN113731788A
Application number: CN202110972884.7A
Authority: CN
Inventors: 王永华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2021-12-03

Abstract

The invention belongs to the field of screening devices, and particularly relates to a sand screening machine for processing civil construction concrete, which can screen in a grading manner. According to the invention, through the arrangement of the upper sieve plate and the lower sieve plate, the first sieve hole and the second sieve hole are matched, sand and stones can be classified and sieved, the complexity of sieving by additionally replacing equipment is avoided, the reciprocating distance of the upper sieve plate and the lower sieve plate can be regulated and controlled through the matching of the arranged driving mechanism and the arranged transmission mechanism, and meanwhile, the upper sieve plate and the lower sieve plate can rebound back and forth through the matching of the stretching spring, so that the sieving effect of the device is improved by utilizing the generated vibration.

Description

But sand stone sieve separator is used in processing of building construction concrete of grading screening

Technical Field

The invention belongs to the field of screening devices, and particularly relates to a sand and stone screening machine capable of screening in grades for processing civil construction concrete.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement as the cementing materials and sand and stone as the aggregate; the cement concrete, also called ordinary concrete, is widely used in civil engineering, where sand and stone are important raw materials in the production process of concrete.

When the sand and stone are used, a screening machine is needed for screening, and when the particle size R of the sand and stone is not more than 5mm, the sand and stone can be used as yellow sand; when the particle size of the sand and the stone is more than 5mm and less than R and less than 16mm, the sand and the stone can be used as small stone particles to be doped in concrete, and when the particle size of the sand and the stone is more than or equal to 16mm, the sand and the stone can be directly used as concrete.

Therefore, we propose a sand and stone screening machine for civil construction concrete processing, which can be screened by grades, to solve the above problems.

Disclosure of Invention

The invention aims to provide a sand and stone screening machine for processing civil construction concrete, which can screen sand and stone in grades.

In order to achieve the purpose, the invention adopts the following technical scheme: a sand and stone screening machine for processing civil construction concrete capable of screening in a grading manner comprises a supporting seat, wherein a box body is fixedly connected onto the supporting seat, an upper screen plate and a lower screen plate are slidably connected into the box body from top to bottom, a plurality of extension springs are fixedly connected between the upper screen plate and the lower screen plate, conical cavities are respectively formed in the upper screen plate and the lower screen plate, a plurality of first screen holes communicated with the conical cavities are formed in the upper screen plate, a plurality of second screen holes communicated with the conical cavities are formed in the lower screen plate, two rotating shafts are rotatably connected into the box body, two wire wheels are sleeved on the rotating shafts, a steel wire rope is wound on each wire wheel, one end of each steel wire rope positioned at the upper side is fixedly connected with the upper screen plate, one end of each steel wire rope positioned at the lower side is fixedly connected with the lower screen plate, and a driving box is fixedly connected with one side wall of the box body, two the one end of pivot all extends to in the drive box and the transmission is connected with the clockwork spring, and the clockwork spring keeps away from the one end and the drive box fixed connection of pivot, be provided with in the drive box with pivot matched with drive mechanism, and be provided with in the drive box with two drive mechanism matched with actuating mechanism.

In foretell building construction concrete processing of grading screening uses gravel and sand sieve separator, drive mechanism includes incomplete gear and driven gear, incomplete gear rotates to be connected in the drive box, driven gear cup joints in the pivot, and driven gear meshes with incomplete gear mutually.

In foretell building construction concrete processing of gradable screening uses gravel and sand sieve separator, actuating mechanism includes worm, worm wheel and driving motor, the worm rotates to be connected in the drive box, and the one end and the driving motor transmission of worm are connected, worm wheel and incomplete gear are coaxial fixed, and worm wheel and worm mesh mutually, the quantity of worm wheel equals with the quantity of incomplete gear.

In the sand screening machine for processing the civil construction concrete capable of being screened in grades, the size of the incomplete gear is smaller than that of the driven gear, two threads are arranged on the worm, and the rotating directions of the two threads are opposite.

In foretell building construction concrete processing of gradable screening uses gravel and sand sieve separator, the lower extreme of supporting seat is through a plurality of buffer spring fixedly connected with buffer seat, a plurality of gag lever posts of fixedly connected with on the buffer seat, and gag lever post and supporting seat sliding connection.

In foretell building construction concrete processing of gradable screening uses gravel and sand sieve separator, the feed inlet has been seted up to the upper end of box, and has inserted the feeder hopper in the feed inlet, the upper end of box is provided with two cylinders, and the output of two cylinders all with feeder hopper fixed connection.

In foretell building construction concrete processing of gradable screening uses gravel and sand sieve separator, the output fixedly connected with connecting block of cylinder, and fixedly connected with and the corresponding fixed block of connecting block on the feeder hopper, through a plurality of bolt fixed connection between fixed block and the connecting block that corresponds.

In foretell building construction concrete processing of grading screening uses gravel and sand sieve separator, all be provided with row material pipe on upper screen plate and the lower screen plate, and arrange and be provided with the solenoid valve on the material pipe.

Compared with the prior art, the sand and stone screening machine for processing the civil construction concrete capable of screening by grades has the advantages that:

1. through the last sieve and the lower sieve mesh that set up, sieve mesh and second sieve mesh can be graded to gravel and sand, have avoided other replacement equipment to carry out the loaded down with trivial details of screening, and actuating mechanism and drive mechanism's through setting up cooperation can regulate and control the reciprocal keeping away from of last sieve and lower sieve, cooperate extension spring simultaneously for go up the reciprocal resilience of sieve and lower sieve, utilize the vibration of production, improve device's screening effect.

2. Through the cooperation of the buffer spring and the buffer seat that set up, can cushion the vibrational force that produces in the device working process, guarantee the stability that the device used, through the gag lever post that sets up, can carry on spacingly to the supporting seat, avoid the supporting seat to take place to rock.

3. Through the size of the driven gear who sets up, can reduce the slew velocity of pivot, avoid wire rope pulling go up the action of sieve or sieve down too fast, lead to going up the sieve and producing the damage with sieve down, the screw thread design on the worm can be so that the rotation opposite direction of two incomplete gears, and then makes the rotation opposite direction of two pivots for the line wheel of upper and lower both sides can receive line or unwrapping wire action simultaneously.

4. Through the feeder hopper that sets up, be convenient for carry gravel and sand in to the box, through the cylinder that sets up, can regulate and control the feeder hopper and rise or descend, avoided the labour loss of manual plugging feeder hopper, through the cooperation of the connecting block and the bolt that set up, the later stage of being convenient for is dismantled the feeder hopper.

5. Through the row who sets up expects the pipe, the later stage of being convenient for arranges the material to the raw materials that are detained on last sieve and the lower sieve, and through two solenoid valves that set up, the staff of being convenient for arranges the material to the raw materials of different grades in proper order, has avoided the manual work to twist the loaded down with trivial details of moving the valve simultaneously.

Drawings

FIG. 1 is a schematic perspective view of a sand and stone screening machine for processing concrete in civil construction and construction, which can be screened in grades and provided by the invention;

FIG. 2 is a schematic view of a front perspective structure of a sand screening machine for processing civil construction concrete, which can be screened in grades and provided by the invention;

FIG. 3 is a schematic view of a front perspective structure of a driving box of a sand screening machine for processing concrete in civil construction and construction, which can be screened in a grading way;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the device comprises a support base 1, a box body 2, an upper sieve plate 3, a lower sieve plate 4, an extension spring 5, a conical cavity 6, a rotating shaft 7, a reel 8, a steel wire rope 9, a drive box 10, a clockwork spring 11, a transmission mechanism 12, an incomplete gear 121, a driven gear 122, a driving mechanism 13, a worm 131, a worm gear 132, a driving motor 133, a buffer spring 14, a buffer seat 15, a limiting rod 16, a feed hopper 17, an air cylinder 18, a connecting block 19, a fixing block 20, a bolt 21, a discharge pipe 22 and an electromagnetic valve 23.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-4, a sand and stone sieve separator is used in civil construction concrete processing of gradable screening, including supporting seat 1, the lower extreme of supporting seat 1 is through a plurality of buffer spring 14 fixedly connected with cushion socket 15, a plurality of gag lever posts 16 of fixedly connected with on the cushion socket 15, and gag lever post 16 and supporting seat 1 sliding connection, through the cooperation of the buffer spring 14 and the cushion socket 15 that set up, can cushion the vibrational force that produces in the device course of operation, guarantee the stability that the device used, through the gag lever post 16 that sets up, can be spacing to supporting seat 1, avoid supporting seat 1 to take place to rock.

Fixedly connected with box 2 on supporting seat 1, the feed inlet has been seted up to the upper end of box 2, and the feed hopper 17 has been inserted in the feed inlet, the upper end of box 2 is provided with two cylinders 18, and the output of two cylinders 18 all with feed hopper 17 fixed connection, feed hopper 17 through setting up, be convenient for carry gravel and sand in to box 2, cylinder 18 through setting up, can regulate and control feed hopper 17 and rise or descend, the labour loss of manual plug feed hopper 17 has been avoided, cylinder 18's output fixedly connected with connecting block 19, and fixedly connected with and the corresponding fixed block 20 of connecting block 19 on the feed hopper 17, through a plurality of bolt 21 fixed connection between fixed block 20 and the connecting block 19 that corresponds, connecting block 19 and bolt 21's cooperation through setting up, be convenient for the later stage to dismantle feed hopper 17.

Top-down sliding connection has last sieve 3 and lower sieve 4 in box 2, and go up sieve 3 and a plurality of extension spring 5 of fixedly connected with between the sieve 4 down, conical cavity 6 has all been seted up on last sieve 3 and the sieve 4 down, set up a plurality of first sieve meshes that are linked together with conical cavity 6 on the last sieve 3, and set up a plurality of second sieve meshes that are linked together with conical cavity 6 on the sieve 4 down, the size of first sieve mesh is greater than the size of second sieve mesh, all be provided with row material pipe 22 on last sieve 3 and the lower sieve 4, and arrange and be provided with solenoid valve 23 on the material pipe 22, arrange material pipe 22 through the row that sets up, be convenient for the later stage arrange the material to the raw materials that are detained on last sieve 3 and the lower sieve 4, through two solenoid valve 23 that set up, the staff of being convenient for arranges the material to different grades of raw materials in proper order, the loaded down with trivial details of manual work twist valve has been avoided simultaneously.

Two rotating shafts 7 are rotatably connected in the box body 2, two wire wheels 8 are sleeved on the rotating shafts 7, a wire rope 9 is wound on each wire wheel 8, one end of each wire rope 9 positioned on the upper side is fixedly connected with the upper sieve plate 3, one end of each wire rope 9 positioned on the lower side is fixedly connected with the lower sieve plate 4, a driving box 10 is fixedly connected with one side wall of the box body 2, one ends of the two rotating shafts 7 extend into the driving box 10 and are in transmission connection with a clockwork spring 11, one end of the clockwork spring 11 far away from the rotating shafts 7 is fixedly connected with the driving box 10, a transmission mechanism 12 matched with the rotating shafts 7 is arranged in the driving box 10, a driving mechanism 13 matched with the two transmission mechanisms 12 is arranged in the driving box 10, the transmission mechanism 12 comprises an incomplete gear 121 and a driven gear 122, the incomplete gear 121 is rotatably connected in the driving box 10, the driven gear 122 is sleeved on the rotating shafts 7, and driven gear 122 meshes with incomplete gear 121 mutually, through incomplete gear 121 and driven gear 122 that set up, can be under the cooperation of clockwork spring 11, regulate and control pivot 7 and reciprocate the gyration.

The driving mechanism 13 comprises a worm 131, a worm wheel 132 and a driving motor 133, the worm 131 is rotatably connected in the driving box 10, one end of the worm 131 is in transmission connection with the driving motor 133, the worm wheel 132 is coaxially fixed with the incomplete gear 121, the worm wheel 132 is meshed with the worm 131, the number of the worm wheels 132 is equal to that of the incomplete gear 121, the two incomplete gears 121 can synchronously rotate through the matching of the worm 131 and the two worm wheels 132, and the cost caused by the addition of driving equipment is avoided.

The size of incomplete gear 121 is less than driven gear 122, be provided with two sections screw threads on worm 131, and the direction of rotation of two sections screw threads is opposite, size through driven gear 122 who sets up, can reduce the slew velocity of pivot 7, avoid wire rope 9 to stimulate the action of going up sieve 3 or lower sieve plate 4 too fast, lead to going up sieve plate 3 and sieve plate 4 and produce the damage down, the screw thread design on worm 131, can be so that the direction of rotation of two incomplete gear 121 is opposite, and then make the direction of rotation of two pivot 7 opposite, make the line wheel 8 of upper and lower both sides can receive line or unwrapping wire action simultaneously.

The operating principle of the present invention will now be described as follows:

when the sand-rock separating machine is used, firstly, screened sand-rock is conveyed into the box body 2 through the feed hopper 17, meanwhile, the driving motor 133 is started, the sand-rock entering the box body 2 firstly falls on the upper sieve plate 3, the raw material which can be directly used as concrete can be refrigerated on the first sieve plate under the filtration of the first sieve hole on the upper sieve plate 3, other raw materials can be filtered out of the first sieve hole and fall on the lower sieve plate 4, small stone particle raw materials can be retained on the lower sieve plate 4 under the action of the second sieve hole on the lower sieve plate 4, the raw material which can be used as yellow sand can be filtered out of the second sieve hole and is discharged from the discharge pipe at the lower end of the box body 2, and a material receiving box can be placed on the supporting seat 1 and is used for receiving the raw material discharged from the box body 2.

After the driving motor 133 is started, the worm 131 is driven to rotate, and under the transmission of the two worm wheels 132, the worm 131 drives the two incomplete gears 121 to synchronously rotate, due to the design of the thread on the worm 131, the rotation directions of the two incomplete gears 121 are opposite, the incomplete gear 121 will engage with the driven gear 122 in a reciprocating manner during rotation, when the incomplete gear 121 is engaged with the driven gear 122, the incomplete gear 121 drives the driven gear 122 engaged therewith to rotate, the driven gear 122 drives the rotating shaft 7 to rotate, the clockwork spring 11 can store energy during the rotation of the rotating shaft 7, meanwhile, the rotating shaft 7 can drive the two wire wheels 8 on the rotating shaft to synchronously rotate, the wire rope 9 can be wound in the rotating process of the wire wheels 8, thereby making the upper screen plate 3 and the lower screen plate 4 slide away from each other, and at the same time, the upper screen plate 3 and the lower screen plate 4 can pull each extension spring 5 in the process of moving away.

When incomplete gear 121 no longer meshes with driven gear 122, clockwork spring 11 can release energy, make pivot 7 gyration, pivot 7 can drive two line wheel 8 gyrations above that, can release wire rope 9 at the in-process of line wheel 8 gyration, each extension spring 5 can release energy this moment, make go up sieve 3 and sieve plate 4 down can produce the effect of kick-backing, and then make go up sieve 3 and sieve plate 4 down and produce the vibration, so reciprocal circulation, along with go up sieve 3 and sieve plate 4 down and constantly produce the vibration, can improve the screening effect of gravel and sand, make gravel and sand filter out in first sieve mesh and the second sieve mesh of follow that gravel and sand can be better.

After the screening, close driving motor 133, then, solenoid valve 23 circular telegram on sieve 4 downwards, make solenoid valve 23 of downside open, and then make the small stone particle raw materials that are detained on sieve 4 down can arrange the material, discharged small stone particle raw materials can discharge through the discharge gate of box 2 lower extreme, collected by the receipts workbin, the raw materials that are detained on sieve 4 down have been discharged the back, solenoid valve 23 circular telegram to the upside, make the solenoid valve 23 of upside open, the raw materials that are detained on going up sieve 3 this moment can fall into the toper chamber 6 of sieve 4 down through arranging material pipe 22, and arrange material pipe 22 discharge on the sieve 4 down, discharge from the discharging pipe on box 2 again is collected, to this end, can make gravel and sand accomplish multistage screening in same device, the loaded down with trivial details and the labour loss of hierarchical screening of having avoided changing equipment to carry out.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The sand and stone screening machine for processing the civil construction concrete capable of being screened in a grading manner comprises a supporting seat (1) and is characterized in that a box body (2) is fixedly connected onto the supporting seat (1), an upper sieve plate (3) and a lower sieve plate (4) are slidably connected into the box body (2) from top to bottom, a plurality of tension springs (5) are fixedly connected between the upper sieve plate (3) and the lower sieve plate (4), conical cavities (6) are respectively formed in the upper sieve plate (3) and the lower sieve plate (4), a plurality of first sieve meshes communicated with the conical cavities (6) are formed in the upper sieve plate (3), a plurality of second sieve meshes communicated with the conical cavities (6) are formed in the lower sieve plate (4), two rotating shafts (7) are rotatably connected into the box body (2), two wire wheels (8) are sleeved on the rotating shafts (7), and a steel wire rope (9) is wound on each wire wheel (8), lie in each of upside the one end of wire rope (9) all with last sieve (3) fixed connection, and the one end that lies in each wire rope (9) of downside all with sieve (4) fixed connection down, one side lateral wall fixedly connected with drive box (10) of box (2), two the one end of pivot (7) all extends to in drive box (10) and the transmission is connected with clockwork spring (11), and clockwork spring (11) keep away from the one end and drive box (10) fixed connection of pivot (7), be provided with in drive box (10) with pivot (7) matched with drive mechanism (12), and be provided with in drive box (10) with two drive mechanism (12) matched with actuating mechanism (13).

2. The sand screening machine for concrete processing in civil engineering and construction work capable of screening gradably according to claim 1, characterized in that the transmission mechanism (12) comprises an incomplete gear (121) and a driven gear (122), the incomplete gear (121) is rotatably connected in the driving box (10), the driven gear (122) is sleeved on the rotating shaft (7), and the driven gear (122) is meshed with the incomplete gear (121).

3. The sand screening machine for concrete processing in civil construction and construction gradable screening as claimed in claim 2, characterized in that the driving mechanism (13) comprises a worm (131), a worm wheel (132) and a driving motor (133), the worm (131) is rotatably connected in the driving box (10), one end of the worm (131) is in transmission connection with the driving motor (133), the worm wheel (132) is coaxially fixed with the incomplete gear (121), the worm wheel (132) is meshed with the worm (131), and the number of the worm wheels (132) is equal to the number of the incomplete gear (121).

4. A sand screening machine for concrete processing in civil engineering and construction works capable of screening by grades according to claim 3, characterized in that the size of the incomplete gear (121) is smaller than that of the driven gear (122), two threads are arranged on the worm (131), and the rotation directions of the two threads are opposite.

5. The sand screening machine for processing the concrete used in the civil construction and construction work, which can be screened in grades, as claimed in claim 1, is characterized in that the lower end of the supporting seat (1) is fixedly connected with a buffer seat (15) through a plurality of buffer springs (14), a plurality of limiting rods (16) are fixedly connected to the buffer seat (15), and the limiting rods (16) are connected with the supporting seat (1) in a sliding way.

6. The sand and stone screening machine for processing the concrete for the civil construction and construction, which can be screened in a grading way, as recited in claim 1, characterized in that a feeding port is opened at the upper end of the box body (2), a feeding hopper (17) is inserted into the feeding port, two cylinders (18) are arranged at the upper end of the box body (2), and the output ends of the two cylinders (18) are fixedly connected with the feeding hopper (17).

7. The sand screening machine for processing concrete in civil construction and construction gradable according to claim 6, characterized in that the output end of the cylinder (18) is fixedly connected with a connecting block (19), a fixing block (20) corresponding to the connecting block (19) is fixedly connected to the feed hopper (17), and the fixing block (20) is fixedly connected with the corresponding connecting block (19) through a plurality of bolts (21).

8. The sand and stone screening machine for processing concrete in civil construction and construction capable of screening by grades as claimed in claim 1, characterized in that the upper screen plate (3) and the lower screen plate (4) are both provided with a discharge pipe (22), and the discharge pipe (22) is provided with an electromagnetic valve (23).