CN112893087A - Multi-particle-size stone screening device and method for concrete production - Google Patents

Abstract

The invention discloses a multi-particle-size stone screening device and a method for concrete production, wherein the device is fixedly connected with a box body through four supporting legs, two screen plates are slidably connected with the box body, each screen plate is provided with a plurality of screen holes, two shaking mechanisms are fixedly connected with the box body, the other sides of the two shaking mechanisms are fixedly connected with the two screen plates, two first air cylinders are fixedly connected with the box body, two first piston rods are fixedly connected with the two first air cylinders, two pushing plates are fixedly connected with the other sides of the two first piston rods, the other sides of the two pushing plates are fixedly connected with the two screen plates, two discharging valves are fixedly connected with the box body, two second air cylinders are fixedly connected with two discharging valves, two fixed plates are fixedly connected with the box body, two packing boxes are detachably connected with the two fixed plates, and a waste material box is, the problem of the stone after the screening of stone sieving mechanism need manual partial shipment, cause manpower resources waste is solved.

Description

Multi-particle-size stone screening device and method for concrete production

Technical Field

The invention relates to the technical field of screening devices, in particular to a multi-particle-size stone screening device and method for concrete production.

Background

For the concrete with strength, the coarse aggregate with larger maximum grain size is selected as much as possible, but the grain size of the generally selected stones is generally 1-3 cm. In the actual concrete stirring process, the stones are used on the stone pile more directly, the stones are smashed and beaten out through a stone crusher by large stones, in the stone smashing process, a plurality of small granular stones are generated at the fracture part, so that the small granular stones need to be screened, the small granular stones are prevented from being applied to the concrete, certain influence on the overall quality of the concrete can be caused, and the multi-particle-diameter stone screening device for the existing concrete production needs to be manually subpackaged in containers after screening is completed, so that the manpower resource is wasted.

Disclosure of Invention

The invention aims to provide a multi-particle-size stone screening device and method for concrete production, and aims to solve the problem that manual subpackaging is needed for stones screened by the stone screening device, so that human resources are wasted.

In order to achieve the purpose, the invention provides a multi-particle-size stone screening device for concrete production on the first aspect, which comprises a box body, four supporting legs, two screen plates, two shaking mechanisms, two pushing assemblies, two discharging assemblies, two fixing plates, a sub-packaging box and a waste material box, wherein the four supporting legs are respectively fixedly connected with the box body and are all positioned on one side of the box body, the box body is provided with two first sliding grooves, the two first sliding grooves are all positioned in the box body, the two screen plates are respectively in sliding connection with the box body and are all positioned on the first sliding grooves, the two screen plates are respectively provided with a plurality of screen holes, one sides of the two shaking mechanisms are respectively and fixedly connected with the box body and are all positioned in the box body, the other sides of the two shaking mechanisms are respectively and fixedly connected with the two screen plates, and the two pushing assemblies comprise first air cylinders, The two first air cylinders are respectively and fixedly connected with the box body and are positioned in the box body, the two first piston rods are respectively and fixedly connected with the output ends of the two first air cylinders, one side of each of the two pushing plates is respectively and fixedly connected with the other side of each of the two first piston rods, the other sides of the two pushing plates are respectively and fixedly connected with the two sieve plates, the two discharging assemblies comprise discharging valves and second air cylinders, the two discharging valves are respectively and fixedly connected with the box body and penetrate through the box body, the two second air cylinders are respectively and fixedly connected with the box body and are positioned at one side close to the discharging valves, the output ends of the two second air cylinders are respectively and fixedly connected with the two discharging valves, and the two fixing plates are respectively and fixedly connected with the box body and are positioned at two sides of the box body, two the partial shipment case respectively with two the fixed plate can be dismantled and be connected, the box still has the second spout, the dump bin with box sliding connection, and be located on the second spout.

The shaking mechanism comprises a third cylinder, a second piston rod and a connecting plate, the third cylinder is fixedly connected with the box body and is positioned at one side close to the first cylinder, the second piston rod is fixedly connected with the output end of the third cylinder, one side of the connecting plate is fixedly connected with the other side of the second piston rod, and the other side of the connecting plate is fixedly connected with the sieve plate.

The shaking mechanism further comprises an outer barrel, a plurality of springs and an inner barrel, the outer barrel is fixedly connected with the box body and is located at one side close to the discharging valve, the springs are fixedly connected with the outer barrel respectively and are located inside the outer barrel, and the inner barrel is fixedly connected with the other side of the springs.

The shaking mechanism further comprises a limiting block, and the limiting block is fixedly connected with the inner barrel and is positioned inside the outer barrel.

The fixing plate is provided with a limiting groove, and the limiting groove is located on one side close to the sub-packaging box.

The multi-particle-size stone screening device for concrete production further comprises a first cushion pad, wherein the first cushion pad is fixedly connected with the box body and is positioned inside the box body.

The multi-particle-size stone screening device for concrete production further comprises two second cushion pads, and the two second cushion pads are respectively fixedly connected with the split charging boxes and are located inside the split charging boxes.

In a second aspect, the present invention provides a method for screening multiple-particle-size stones for concrete production, comprising:

pouring stones on a sieve plate far away from the supporting legs in the box body, wherein the diameter of a sieve hole of the sieve plate is 3 cm;

the shaking mechanism drives the sieve plate far away from the supporting leg to move on the first chute, stones are screened, the stones smaller than 3 cm fall onto the sieve plate close to the supporting leg through sieve holes, and the sieve holes of the sieve plate are 1 cm;

the shaking mechanism drives the sieve plate close to the supporting legs to move on the other first chute to screen stones, and the stones smaller than 1 cm fall into a waste bin through sieve holes;

the pushing assemblies on the two sieve plates push out the stones retained on the sieve plates, and the stones on the two sieve plates enter different sub-packaging boxes through the discharge valves respectively, namely, the screening and sub-packaging are completed.

The invention relates to a multi-particle-size stone screening device for concrete production, which is fixedly connected with a box body through four supporting legs respectively and is positioned on one side of the box body, the box body is provided with two first sliding chutes, the two first sliding chutes are positioned in the box body, two screen plates are respectively connected with the box body in a sliding way and are positioned on the first sliding chutes, each screen plate is provided with a plurality of screen holes, one sides of two shaking mechanisms are respectively and fixedly connected with the box body and are positioned in the box body, the other sides of the two shaking mechanisms are respectively and fixedly connected with the two screen plates, two first air cylinders are respectively and fixedly connected with the box body and are positioned in the box body, two first piston rods are respectively and fixedly connected with output ends of the two first air cylinders, one sides of two pushing plates are respectively and fixedly connected with the other sides of the two first piston rods, two the opposite side of slurcam respectively with two sieve fixed connection, two discharge valve respectively with box fixed connection all runs through the box, two the second cylinder respectively with box fixed connection all is located near one side of discharge valve, two the second cylinder output respectively with two discharge valve fixed connection, two the fixed plate respectively with box fixed connection all is located the box both sides, two the partial shipment case respectively with two the connection can be dismantled to the fixed plate, the box still has the second spout, the dump bin with box sliding connection, and be located on the second spout, the stone after having solved the screening of stone sieving mechanism needs manual partial shipment, causes the problem of manpower resources waste.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a multi-particle-size stone screening device for concrete production;

FIG. 2 is a cross-sectional view of a multi-particle-size stone screening apparatus for concrete production;

FIG. 3 is a top view of a multi-particle size stone screening apparatus for concrete production;

FIG. 4 is a cross-sectional view of the outer barrel, spring, inner barrel and stop block;

FIG. 5 is a flow chart of a method for screening multiple particle size stones for concrete production.

1-box body, 2-supporting legs, 3-first sliding chute, 4-sieve plate, 5-sieve hole, 6-shaking mechanism, 7-pushing component,

8-a first cylinder, 9-a first piston rod, 10-a pushing plate, 11-a discharging component, 12-a discharging valve, 13-a second cylinder, 14-a fixing plate, 15-a subpackaging box, 16-a handle, 17-a second chute, 18-a waste bin, 19-a third cylinder, 20-a second piston rod, 21-a connecting plate, 22-an outer cylinder, 23-an inner cylinder, 24-a spring, 25-a limiting block, 26-a limiting groove, 27-a first cushion pad, 28-a second cushion pad and 29-a sucking disc.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must be constructed and operated in a specific orientation and thus should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4, in a first aspect, the present invention provides a multi-particle-size stone screening apparatus for concrete production, including a box body 1, four support legs 2, two screen plates 4, two shaking mechanisms 6, two pushing assemblies 7, two discharging assemblies 11, two fixing plates 14, a sub-packaging box 15 and a waste material box 18, wherein the four support legs 2 are respectively and fixedly connected to the box body 1 and are all located at one side of the box body 1, the box body 1 has two first chutes 3, the two first chutes 3 are both located inside the box body 1, the two screen plates 4 are respectively and slidably connected to the box body 1 and are both located on the first chutes 3, the two screen plates 4 are respectively provided with a plurality of screen holes 5, one sides of the two shaking mechanisms 6 are respectively and fixedly connected to the box body 1 and are both located inside the box body 1, and the other sides of the two shaking mechanisms 6 are respectively and fixedly connected to the two screen plates 4, the two pushing assemblies 7 comprise first air cylinders 8, first piston rods 9 and pushing plates 10, the two first air cylinders 8 are respectively and fixedly connected with the box body 1 and are both positioned in the box body 1, the two first piston rods 9 are respectively and fixedly connected with the output ends of the two first air cylinders 8, one sides of the two pushing plates 10 are respectively and fixedly connected with the other sides of the two first piston rods 9, the other sides of the two pushing plates 10 are respectively and fixedly connected with the two sieve plates 4, the two discharging assemblies 11 comprise discharging valves 12 and second air cylinders 13, the two discharging valves 12 are respectively and fixedly connected with the box body 1 and penetrate through the box body 1, the two second air cylinders 13 are respectively and fixedly connected with the box body 1 and are both positioned at one side close to the discharging valves 12, the output ends of the two second air cylinders 13 are respectively and fixedly connected with the two discharging valves 12, two the fixed plate 14 respectively with 1 fixed connection of box, all be located 1 both sides of box, two the packing box 15 respectively with two the fixed plate 14 can be dismantled and be connected, box 1 still has second spout 17, the dump bin 18 with 1 sliding connection of box, and be located on the second spout 17.

In the embodiment, stones are poured on the sieve plate 4 far away from the supporting legs 2 in the box body 1, and the diameter of the sieve hole 5 of the sieve plate 4 is 3 cm; the shaking mechanism 6 drives the sieve plate 4 far away from the supporting leg 2 to move on the first chute 3 to screen stones, the stones smaller than 3 cm fall onto the sieve plate 4 close to the supporting leg 2 through the sieve holes 5, and the sieve holes 5 of the sieve plate 4 are 1 cm; the shaking mechanism 6 drives the sieve plate 4 close to the supporting leg 2 to move on the other first chute 3 to screen stones, and stones smaller than 1 cm fall into the waste bin 18 through the sieve holes 5; two on the sieve 4 promote subassembly 7 first cylinder 8 drive first piston rod 9 drives the pushing ram 10 extension, the drive of second cylinder 13 discharge valve 12 is opened, will remain stone on the sieve 4 is released, two stone on the sieve 4 passes through respectively discharge valve 12 gets into the difference packing case 15 screens the partial shipment completion promptly, is less than 1 centimetre stone then through being close to supporting leg 2 on the sieve 4 sieve mesh 5 falls into in the dump bin 18, the stone after having solved the screening of stone sieving mechanism needs manual partial shipment, causes the extravagant problem of manpower resources.

Further, the shaking mechanism 6 comprises a third cylinder 19, a second piston rod 20 and a connecting plate 21, the third cylinder 19 is fixedly connected with the box body 1 and is positioned at one side close to the first cylinder 8, the second piston rod 20 is fixedly connected with the output end of the third cylinder 19, one side of the connecting plate 21 is fixedly connected with the other side of the second piston rod 20, and the other side of the connecting plate 21 is fixedly connected with the sieve plate 4.

In this embodiment, the third cylinder 19 drives the second piston rod 20 to drive the connecting plate 21 to reciprocate, and the sieve plate 4 connected to the connecting plate 21 reciprocates on the first chute 3 along with the connecting plate 21 to sieve with stones.

Further, the shaking mechanism 6 further comprises an outer cylinder 22, a plurality of springs 24 and an inner cylinder 23, wherein the outer cylinder 22 is fixedly connected with the box body 1 and is positioned at one side close to the discharge valve 12, the springs 24 are respectively fixedly connected with the outer cylinder 22 and are positioned inside the outer cylinder 22, and the inner cylinder 23 is fixedly connected with the other side of the springs 24.

In the present embodiment, when the third cylinder 19 drives the screen plate 4 to shake, the screen plate 4 moves in the direction of the inner cylinder 23, and applies pressure to the spring 24 connected to the inner cylinder 23, the spring 24 is compressed in the outer cylinder 22, the distance between the inner cylinder 23 and the outer cylinder 22 decreases until the third cylinder 19 drives the screen plate 4 to return, and the reaction force applied to the inner cylinder 23 by the spring 24 increases the return speed of the screen plate 4, thereby increasing the shaking effect of the screen plate 4.

Further, the shaking mechanism 6 further comprises a limiting block 25, and the limiting block 25 is fixedly connected with the inner cylinder 23 and is located inside the outer cylinder 22.

In the present embodiment, in order to prevent the inner cylinder 23 from being pushed out of the outer cylinder 22 by the spring 24 in the outer cylinder 22, the inner cylinder 23 is provided with the stopper 25, and the diameter of the stopper 25 is larger than the diameter of the outer cylinder 22.

Further, the fixing plate 14 has a limiting groove 26, and the limiting groove 26 is located at a side close to the sub-packaging box 15.

In the present embodiment, in order to increase the stability of the separate containers 15, the fixing plate 14 is provided with the stopper groove 26 to restrict the movement of the separate containers 15 on the fixing plate 14.

Further, the multi-particle-size stone screening device for concrete production further comprises a first cushion pad 27, wherein the first cushion pad 27 is fixedly connected with the box body 1 and is positioned inside the box body 1.

In the present embodiment, in order to prevent the box 1 from being damaged due to the stones colliding with the inner wall of the box 1 during the shaking and screening, the first cushion 27 is provided on the inner wall of the box 1 to protect the box 1.

Further, the multi-particle-size stone screening device for concrete production further comprises two second cushion pads 28, and the two second cushion pads 28 are fixedly connected with the two sub-containers 15 respectively and are located inside the sub-containers 15.

In the present embodiment, in order to prevent the screened stones from colliding with the sub-packaging box 15 and being broken when the stones fall into the sub-packaging box 15, the second cushion pads 28 are provided on both the sub-packaging directions, and the gravity of the falling stones is cushioned.

Further, be used for concrete production with many particle size stone sieving mechanism still includes six handles 16, six handle 16 respectively with two divide vanning 15 with waste bin 18 rotates to be connected, all is located divide vanning 15 with waste bin 18 both sides.

In this embodiment, the dispensing bin 15 and the waste bin 18 are movable by the handles 16 on both sides of the dispensing bin 15 and the waste bin 18, concentrating the force applied to the dispensing bin 15 and the waste bin 18.

Further, be used for concrete production with many particle size stone sieving mechanism still includes four sucking discs 29, four sucking discs 29 respectively with four supporting leg 2 fixed connection all is located and keeps away from one side of box 1.

In the present embodiment, in order to increase the stability of the support leg 2, the suction cup 29 is provided on the support leg 2, and the contact area between the support leg 2 and the contact surface is increased.

Referring to fig. 5, in a second aspect, the present invention provides a method for screening multiple-particle-size stones for concrete production, including:

s101, pouring stones on a sieve plate 4 far away from supporting legs 2 in a box body 1, wherein the diameter of a sieve hole 5 of the sieve plate 4 is 3 cm;

when the stones are dumped, in order to avoid the stones from colliding with the inside of the box body 1 to damage the box body 1, the first buffer cushion 27 is arranged on the inner wall of the box body 1 to protect the box body 1.

S102, the shaking mechanism 6 drives the sieve plate 4 far away from the supporting leg 2 to move on the first chute 3, the stones are screened, the stones smaller than 3 cm fall onto the sieve plate 4 close to the supporting leg 2 through the sieve holes 5, and the sieve holes 5 of the sieve plate 4 are 1 cm;

the stone remained on the sieve plate 4 far away from the supporting leg 2 in the process has the particle size of more than 3 cm and is unqualified stone.

S103, the screen plate 4 close to the support legs 2 is driven by the shaking mechanism 6 to move on the other first chute 3 to screen stones, and the stones smaller than 1 cm fall into the waste bin 18 through the screen holes 5;

the particle size of the stones remained on the sieve plate 4 close to the supporting legs 2 in the process is between 1 and 3 centimeters, and the stones can be used.

S104, pushing the stones retained on the sieve plates 4 out by the pushing assemblies 7 on the two sieve plates 4, and allowing the stones on the two sieve plates 4 to enter different packing boxes 15 through the discharge valves 12 respectively, namely, screening and packing are completed.

The pushing assembly 7 divides unqualified stones into one sub-packaging box 15, the stones which are smaller than 1 cm can be divided into another sub-packaging box 15, and the stones which are smaller than 1 cm fall into the waste box 18 through the sieve holes 5 on the sieve plate 4 close to the supporting legs 2.

While the preferred embodiments of the present invention for a multi-particle-size screening apparatus and method for concrete production have been described above, it will be understood by those skilled in the art that the invention is not limited thereto, and that all or part of the procedures for implementing the preferred embodiments and equivalents thereof may be made by those skilled in the art without departing from the scope of the invention.

Claims (8)

1. The utility model provides a be used for concrete production with many particle diameter stone sieving mechanism, a serial communication port, including box, four supporting legs, two sieves, two shake mechanisms, two promotion subassemblies, two ejection of compact subassemblies, two fixed plates, divide vanning and dump bin, four the supporting leg respectively with box fixed connection all is located one side of box, the box has two first spouts, two first spout all is located inside the box, two the sieve respectively with box sliding connection all is located on the first spout, two the sieve all has a plurality of sieve meshes, two one side of shaking mechanism respectively with box fixed connection all is located inside the box, two the opposite side of shaking mechanism respectively with two sieve fixed connection, two it includes first cylinder, two to promote the subassembly, The two first air cylinders are respectively and fixedly connected with the box body and are positioned in the box body, the two first piston rods are respectively and fixedly connected with the output ends of the two first air cylinders, one side of each of the two pushing plates is respectively and fixedly connected with the other side of each of the two first piston rods, the other sides of the two pushing plates are respectively and fixedly connected with the two sieve plates, the two discharging assemblies comprise discharging valves and second air cylinders, the two discharging valves are respectively and fixedly connected with the box body and penetrate through the box body, the two second air cylinders are respectively and fixedly connected with the box body and are positioned at one side close to the discharging valves, the output ends of the two second air cylinders are respectively and fixedly connected with the two discharging valves, and the two fixing plates are respectively and fixedly connected with the box body and are positioned at two sides of the box body, two the partial shipment case respectively with two the fixed plate can be dismantled and be connected, the box still has the second spout, the dump bin with box sliding connection, and be located on the second spout.

2. The multi-particle-size stone screening device for concrete production as claimed in claim 1, wherein the shaking mechanism comprises a third cylinder, a second piston rod and a connecting plate, the third cylinder is fixedly connected with the box body and is positioned at one side close to the first cylinder, the second piston rod is fixedly connected with an output end of the third cylinder, one side of the connecting plate is fixedly connected with the other side of the second piston rod, and the other side of the connecting plate is fixedly connected with the sieve plate.

3. The multi-particle-size stone screening device for concrete production as claimed in claim 1, wherein the shaking mechanism further comprises an outer cylinder, a plurality of springs and an inner cylinder, the outer cylinder is fixedly connected with the box body and is positioned at one side close to the discharge valve, the plurality of springs are respectively and fixedly connected with the outer cylinder and are positioned in the outer cylinder, and the inner cylinder is fixedly connected with the other sides of the plurality of springs.

4. The multi-particle-size stone screening device for concrete production as claimed in claim 3, wherein the shaking mechanism further comprises a limiting block, and the limiting block is fixedly connected with the inner cylinder and is positioned inside the outer cylinder.

5. The multi-particle-size stone screening device for concrete production as claimed in claim 1, wherein said fixing plate has a limiting groove, said limiting groove being located at a side close to said sub-packaging box.

6. The multi-particle-size stone screening device for concrete production as claimed in claim 1, further comprising a first buffer pad fixedly connected to the box body and located inside the box body.

7. The multi-particle-size stone screening device for concrete production as claimed in claim 1, further comprising two second buffer pads, wherein the two second buffer pads are respectively fixedly connected with the two sub-packaging boxes and are located inside the sub-packaging boxes.

8. A screening method of multi-particle-size stones for concrete production is characterized by comprising the following steps:

pouring stones on a sieve plate far away from the supporting legs in the box body, wherein the diameter of a sieve hole of the sieve plate is 3 cm;

the shaking mechanism drives the sieve plate far away from the supporting leg to move on the first chute, stones are screened, the stones smaller than 3 cm fall onto the sieve plate close to the supporting leg through sieve holes, and the sieve holes of the sieve plate are 1 cm;

the shaking mechanism drives the sieve plate close to the supporting legs to move on the other first chute to screen stones, and the stones smaller than 1 cm fall into a waste bin through sieve holes;

the pushing assemblies on the two sieve plates push out the stones retained on the sieve plates, and the stones on the two sieve plates enter different sub-packaging boxes through the discharge valves respectively, namely, the screening and sub-packaging are completed.

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