CN111515122A

CN111515122A - Prefabricated plate concrete vibration screening device for construction

Info

Publication number: CN111515122A
Application number: CN202010452310.2A
Authority: CN
Inventors: 张延东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-08-11

Abstract

The invention discloses a precast slab concrete vibration screening device for building construction, which comprises a bottom plate and a first chute positioned at the top end of the bottom plate, wherein a box body is arranged at the top end in the first chute, a pulley matched with the first chute is arranged at the bottom end of the box body, a feeding hopper is arranged at the top end of the box body, a transversely arranged filter screen is arranged in the box body, the filter screen is connected with the inner wall of the box body through a mounting bolt, a transversely arranged stirring shaft is arranged in the box body and positioned above the filter screen, and one side of the stirring shaft is connected with the output end of a driving motor positioned. Has the advantages that: the mixing shaft and the mixing blade stir and mix the concrete raw material, so that the movable frame drives the filter plate to swing up and down when moving, the shaking force of the filter plate in the process is better, the screening efficiency of the building construction materials can be improved, the box body can be pushed by the push rod to move left and right under the action of the pulley, and the screening effect of the device is further improved.

Description

Prefabricated plate concrete vibration screening device for construction

Technical Field

The invention relates to the technical field of building construction, in particular to a precast slab concrete vibration screening device for building construction.

Background

Concrete, referred to as "concrete" for short: refers to a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as a cementing material and sand and stone as aggregate; mixing with water (optionally containing additive and admixture) in a certain proportion, and stirring to obtain the cement concrete.

Need filter the concrete raw materials before concrete processing, but current sieving mechanism structure is too simple, and the filter plate often can not carry out initiative vibration, and the raw materials that lead to depositing on the filter plate when operating for a long time is more, can't carry out faster screening, and the screening effect is relatively poor, more and more can not satisfy people's daily user demand.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Aiming at the problems in the related art, the invention provides a vibration screening device for concrete of a prefabricated plate for building construction, which aims to overcome the technical problems in the prior related art.

Therefore, the invention adopts the following specific technical scheme:

a prefabricated plate concrete vibration screening device for building construction comprises a bottom plate and a first chute positioned at the top end of the bottom plate, wherein a box body is arranged at the top end in the first chute, pulleys matched with the first chute are arranged at the bottom end of the box body, a feeding hopper is arranged at the top end of the box body, a filter screen transversely arranged is arranged in the box body, the filter screen is connected with the inner wall of the box body through a mounting bolt, a transversely arranged stirring shaft is arranged in the box body and positioned above the filter screen, one side of the stirring shaft is connected with the output end of a driving motor positioned at one side of the box body, a material introducing port is arranged at one side of the box body and positioned at the lower opening of the driving motor, a filter plate obliquely arranged is arranged at one side of the material introducing port in the box body, a connecting shaft connected with the box body is arranged at one side of the filter plate, and a, the top end of the bottom plate is provided with a vertically arranged support frame, and the top end of the support frame is provided with a pushing mechanism connected with the box body;

wherein the pushing mechanism comprises a shell positioned at the top end of the supporting frame, a rotating shaft is arranged on one side of the shell far away from the box body, the rotating shaft is sequentially sleeved with a first eccentric wheel and a second eccentric wheel which are matched with the rotating shaft, one side of the first eccentric wheel, which is close to the box body, is provided with a connecting rod, one side of the connecting rod is provided with an arc-shaped sheet, the top end of the arc-shaped sheet is provided with a movable rod connected with the inner wall of the shell, the bottom end of the arc-shaped piece is provided with a connecting rod connected with the eccentric wheel II, one side of the arc-shaped piece is provided with a second sliding groove, a sliding shaft matched with the sliding groove II is arranged in the sliding groove II, a push rod which is transversely arranged is arranged on one side of the sliding shaft close to the box body, one side of the push rod is connected with the box body, and one side of the shell is provided with a limiting slide block sleeved on the push rod, and one side of the rotating shaft is connected with the output end of the servo motor in the shell.

Preferably, the shaking mechanism comprises an installation block located on one side of the box body, the installation block is of a cavity structure, a first side plate and a second side plate are symmetrically arranged in the installation block, a third sliding groove is formed in one side, close to each other, of the first side plate and the second side plate, a movable frame is arranged between the first side plate and the second side plate, sliding strips matched with the three phases of the sliding grooves are arranged on two sides of the movable frame, a cam matched with the sliding grooves is arranged in the movable frame, the cam is eccentrically arranged, the axis of the cam is connected with the output end of a rotating motor located in the installation block, a sliding rail matched with the outer wall of the cam is arranged on the inner wall of the movable frame, and the top end of the movable frame is connected with the filter plate.

Preferably, the outer wall of the cam is provided with a sliding block matched with the sliding rail in a surrounding mode, and lubricating oil is coated in the sliding rail.

Preferably, two ends of the third sliding chute are provided with buffer rubber pads, and the movable frame is connected with the filter plate through an elastic piece.

Preferably, the connecting rod and the connecting rod are connected with the arc-shaped sheet through connecting shafts, and the second sliding groove is of an arc-shaped structure.

Preferably, the movable rod is respectively connected with the shell and the arc-shaped piece through a pin shaft, and the eccentric wheel I and the eccentric wheel II are arranged alternately.

Preferably, the pulleys are connected with the box body through a support, the top end of the bottom plate is symmetrically provided with convex blocks at two sides of the box body, and a guide rod penetrating through the support is arranged between the two groups of convex blocks.

Preferably, the bracket is provided with a sliding hole matched with the guide rod, and the pulley is a fixed universal wheel.

Preferably, a plurality of uniformly distributed stirring blades are arranged on the stirring shaft in a surrounding manner, the stirring blades are of an arc-shaped structure, and the driving motor is a forward and reverse rotating motor.

Preferably, one side of the material guiding opening is provided with a baffle matched with the material guiding opening, and the bottom end of the box body is provided with a material discharging opening.

The invention has the beneficial effects that:

firstly, pouring raw materials into a box body, then driving a stirring shaft to rotate the raw materials in the box body through a driving motor, and stirring and mixing the concrete raw materials through the stirring shaft and stirring blades;

the design of the shaking mechanism drives the movable frame to reciprocate up and down in the chute III through the cam, so that the movable frame drives the filter plate to swing up and down while moving, the shaking force of the filter plate in the process is better, and the screening efficiency of building construction materials can be improved;

thirdly, pushing mechanism's design then can remove under the effect of pulley through the push rod promotion box, has further improved the screening effect of this device.

Drawings

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

Fig. 1 is a schematic structural diagram of a vibration screening device for precast slab concrete for building construction according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a shaking mechanism in a vibration screening device for precast slab concrete for building construction according to an embodiment of the invention;

fig. 3 is a schematic structural diagram of a pushing mechanism in a precast slab concrete vibration screening device for building construction according to an embodiment of the invention.

In the figure:

1. a base plate; 2. a first sliding chute; 3. a box body; 4. a pulley; 5. a feed hopper; 6. filtering with a screen; 7. installing a bolt; 8. a stirring shaft; 9. a drive motor; 10. a material introducing port; 11. filtering the plate; 12. a connecting shaft; 13. a housing; 14. a rotating shaft; 15. a first eccentric wheel; 16. a second eccentric wheel; 17. a connecting rod; 18. an arc-shaped sheet; 19. a movable rod; 20. a connecting rod; 21. a second chute; 22. a sliding shaft; 23. a push rod; 24. a limiting slide block; 25. a support frame; 26. a pushing mechanism; 27. mounting blocks; 28. a first side plate; 29. a second side plate; 30. a third chute; 31. a movable frame; 32. a slide bar; 33. a cam; 34. a rotating electric machine; 35. a slide rail; 36. a connecting shaft; 37. a pin shaft; 38. a support; 39. a bump; 40. a guide bar; 41. stirring blades; 42. and a baffle plate.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the invention, the vibration screening device for the concrete of the prefabricated plate for building construction is provided.

The first embodiment;

as shown in fig. 1-3, the precast slab concrete vibration screening device for building construction according to the embodiment of the invention comprises a bottom plate 1 and a chute one 2 located at the top end of the bottom plate 1, a box body 3 is arranged at the top end in the chute one 2, a pulley 4 matched with the chute one 2 is arranged at the bottom end of the box body 3, a feeding funnel 5 is arranged at the top end of the box body 3, a filter screen 6 transversely arranged is arranged in the box body 3, the filter screen 6 is connected with the inner wall of the box body 3 through a mounting bolt 7, a transversely arranged stirring shaft 8 is arranged in the box body 3 and above the filter screen 6, one side of the stirring shaft 8 is connected with the output end of a driving motor 9 located at one side of the box body 3, a material introducing port 10 is arranged at an opening located below the driving motor 9, and an obliquely arranged filter plate 11 is arranged at one side of the material introducing port 10 in the box body 3, a connecting shaft 12 connected with the box body 3 is arranged on one side of the filter plate 11, a shaking mechanism connected with the box body 3 is arranged on the other side of the filter plate 11, a supporting frame 25 vertically arranged is arranged at the top end of the bottom plate 1, and a pushing mechanism 26 connected with the box body 3 is arranged at the top end of the supporting frame 25;

wherein, the pushing mechanism 26 comprises a casing 13 positioned at the top end of the supporting frame 25, a rotating shaft 14 is arranged at one side of the casing 13 far away from the box 3, a first eccentric wheel 15 and a second eccentric wheel 16 which are matched with the rotating shaft 14 are sequentially sleeved on the rotating shaft 14, a connecting rod 17 is arranged at one side of the first eccentric wheel 15 close to the box 3, an arc-shaped sheet 18 is arranged at one side of the connecting rod 17, a movable rod 19 connected with the inner wall of the casing 13 is arranged at the top end of the arc-shaped sheet 18, an engaging rod 20 connected with the second eccentric wheel 16 is arranged at the bottom end of the arc-shaped sheet 18, a second sliding groove 21 is arranged at one side of the arc-shaped sheet 18, a sliding shaft 22 matched with the sliding shaft is arranged in the second sliding groove 21, a push rod 23 which is transversely arranged is arranged at one side of the sliding, and one side of the shell 13 is provided with a limiting slide block 24 sleeved on the push rod 23, and one side of the rotating shaft 14 is connected with the output end of a servo motor positioned in the shell 13.

Example two;

as shown in fig. 1-3, the shaking mechanism comprises a mounting block 27 located at one side of the box body 3, the mounting block 27 is a cavity structure, a first side plate 28 and a second side plate 29 which are symmetrically arranged are arranged in the mounting block 27, a third sliding groove 30 is arranged on one side of the first side plate 28, which is close to the second side plate 29, a movable frame 31 is arranged between the first side plate 28 and the second side plate 29, sliding strips 32 matched with the third sliding grooves 30 are arranged on two sides of the movable frame 31, and a cam 33 matched with the movable frame 31 is arranged in the movable frame 31, the cam 33 is eccentrically arranged, and the axis of the cam 33 is connected with the output end of a rotating motor 34 positioned in the mounting block 27, the inner wall of the movable frame 31 is provided with a slide rail 35 matched with the outer wall of the cam 33, and the top end of the movable frame 31 is connected with the filter plate 11. It can be seen from the above design that, through the design of the shaking mechanism, the rotating motor 34 drives the cam 33 to rotate, so that the cam 33 synchronously drives the movable frame 31 to move up and down in the rotating process, the movable frame 31 moves in the third chute 30, and the movable frame 31 drives the filter plate 11 to swing up and down while moving, so that the shaking force of the filter plate 11 in the process is better.

Example three;

as shown in fig. 1-3, the outer wall of the cam 33 is provided with a sliding block matching with the sliding rail 35, the sliding rail 35 is internally coated with lubricating oil, two ends of the sliding groove three 30 are provided with cushion rubber pads, the movable frame 31 is connected with the filter plate 11 through an elastic member, the connecting rod 17 and the connecting rod 20 are connected with the arc-shaped piece 18 through a connecting shaft 36, and the sliding groove two 21 is of an arc-shaped structure. As can be seen from the above-described design, the coefficient of friction between the slide rail 35 and the cam 33 is reduced by the design of the slide rail 35.

Example four;

as shown in fig. 1-3, the movable rod 19 is connected to the housing 13 and the arc-shaped piece 18 through a pin 37, the first eccentric wheels 15 and the second eccentric wheels 16 are alternately arranged, the pulley 4 is connected to the box body 3 through a bracket 38, two protrusions 39 are symmetrically arranged at the top end of the bottom plate 1 and on two sides of the box body 3, and a guide rod 40 penetrating through the bracket 38 is arranged between the two protrusions 39. From the above design, it can be seen that the stability of the box 3 moving left and right is effectively improved by the design of the guide rod 40 and the bracket 38.

Example five;

as shown in fig. 1-3, a sliding hole matched with the guide rod 40 is formed in the support 38, the pulley 4 is a fixed universal wheel, a plurality of uniformly distributed stirring blades 41 are arranged on the stirring shaft 8 in a surrounding manner, the stirring blades 41 are of an arc-shaped structure, and the driving motor 9 is a forward and reverse rotating motor. One side of the material guiding opening 10 is provided with a baffle 42 matched with the material guiding opening, and the bottom end of the box body 3 is provided with a material discharging opening. The design of the baffle 42 is relatively conventional and will not be described in detail.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the driving motor 9, the rotating motor 34 and the servo motor are synchronously started, then the raw materials are poured into the box body 3, then the driving motor 9 drives the stirring shaft 8 to rotate the raw materials in the box body 3, the stirring shaft 8 and the stirring blade 41 stir and mix the concrete raw materials, the rotating motor 34 drives the cam 33 to rotate, so that the cam 33 synchronously drives the movable frame 31 to move up and down in the rotating process, the movable frame 31 moves in the chute III 30, the movable frame 31 drives the filter plate 11 to swing up and down while moving, the shaking force of the filter plate 11 in the process is better, the servo motor drives the rotating shaft 14 to rotate, the rotation of the rotating shaft 14 drives the eccentric wheel I15 and the eccentric wheel II 16, so that the eccentric wheel I15 and the eccentric wheel II 16 drive the connecting rod 17 and the connecting rod 20 to move left and right when rotating, the connecting rod 17 and the connecting rod 20 push the arc-shaped piece 18 when moving, so that the arc-shaped piece 18 swings under the limitation of the movable rod 19, the sliding shaft 22 slides in the second sliding groove 21 along with the swing of the arc-shaped piece 18, and the sliding shaft 22 slides along with the movement of the arc-shaped piece 18, so that the sliding shaft 22 synchronously drives the push rod 23 to move, and the box body 3 is pushed to move left and right under the action of the pulley 4.

In summary, according to the above technical scheme of the present invention, the raw materials are poured into the box 3, and then the driving motor 9 drives the stirring shaft 8 to rotate the raw materials in the box 3, and the stirring shaft 8 and the stirring blades 41 stir and mix the concrete raw materials; in addition, due to the design of the shaking mechanism, the cam 33 drives the movable frame 31 to reciprocate up and down in the third sliding chute 30, so that the movable frame 31 drives the filter plate 11 to swing up and down while moving, the shaking force of the filter plate 11 in the process is better, and the screening efficiency of building construction materials can be improved; the pushing mechanism 26 can push the box 3 to move left and right under the action of the pulley 4 through the push rod 23, and the screening effect of the device is further improved.

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 prefabricated plate concrete vibration screening device for building construction is characterized by comprising a bottom plate (1) and a first sliding groove (2) positioned at the top end of the bottom plate (1), wherein a box body (3) is arranged at the top end of the first sliding groove (2), pulleys (4) matched with the first sliding groove (2) are arranged at the bottom end of the box body (3), a feeding hopper (5) is arranged at the top end of the box body (3), a transversely arranged filter screen (6) is arranged in the box body (3), the filter screen (6) is connected with the inner wall of the box body (3) through a mounting bolt (7), a transversely arranged stirring shaft (8) is arranged in the box body (3) and positioned above the filter screen (6), one side of the stirring shaft (8) is connected with the output end of a driving motor (9) positioned at one side of the box body (3), a feeding port (10) is arranged at one side of the box body (3) and at an opening below the driving motor (9), a filter plate (11) which is obliquely arranged is arranged on one side, located at the material introducing port (10), in the box body (3), a connecting shaft (12) connected with the box body (3) is arranged on one side of the filter plate (11), a shaking mechanism connected with the box body (3) is arranged on the other side of the filter plate (11), a supporting frame (25) which is vertically arranged is arranged at the top end of the bottom plate (1), and a pushing mechanism (26) connected with the box body (3) is arranged at the top end of the supporting frame (25);

wherein, pushing mechanism (26) is including being located casing (13) on support frame (25) top, keep away from in casing (13) one side of box (3) is equipped with pivot (14), the cover is equipped with rather than assorted eccentric wheel (15) and eccentric wheel two (16) in proper order on pivot (14), one side that eccentric wheel one (15) is close to box (3) is equipped with connecting rod (17), one side of connecting rod (17) is equipped with arc piece (18), the top of arc piece (18) be equipped with movable rod (19) that are connected with casing (13) inner wall, and the bottom of arc piece (18) is equipped with link rod (20) that are connected with eccentric wheel two (16), spout two (21) have been seted up to one side of arc piece (18), be equipped with rather than assorted slide shaft (22) in spout two (21), sliding shaft (22) are close to one side of box (3) is equipped with horizontal push rod (23) that sets up, one side of push rod (23) with box (3) are connected, just one side of casing (13) is equipped with the cover and locates spacing slider (24) on push rod (23), one side of pivot (14) with be located servo motor output in casing (13) is connected.

2. The precast slab concrete vibration screening device for building construction according to claim 1, characterized in that the shaking mechanism comprises a mounting block (27) located at one side of the box body (3), the mounting block (27) is of a cavity structure, a first side plate (28) and a second side plate (29) are symmetrically arranged in the mounting block (27), a third chute (30) is arranged at one side of the first side plate (28) and the second side plate (29) close to each other, a movable frame (31) is arranged between the first side plate (28) and the second side plate (29), sliding strips (32) matched with the third chute (30) are arranged at two sides of the movable frame (31), a cam (33) matched with the movable frame (31) is arranged in the movable frame (31), the cam (33) is eccentrically arranged, and the axis of the cam (33) is connected with the output end of a rotating motor (34) located in the mounting block (27), the inner wall of the movable frame (31) is provided with a slide rail (35) matched with the outer wall of the cam (33), and the top end of the movable frame (31) is connected with the filter plate (11).

3. The vibrating screening device for precast slab concrete for construction according to claim 2, characterized in that the outer wall of the cam (33) is provided with a sliding block matched with the sliding rail (35) in a surrounding manner, and the sliding rail (35) is internally coated with lubricating oil.

4. The vibrating screening device for the concrete of the precast slab for the building construction according to claim 3, wherein cushion rubber pads are arranged at both ends in the third sliding chute (30), and the movable frame (31) is connected with the filter plate (11) through an elastic member.

5. The vibrating screening device for precast slab concrete for building construction according to claim 1, wherein the connecting rod (17) and the connecting rod (20) are connected with the arc-shaped piece (18) through a connecting shaft (36), and the second sliding chute (21) is of an arc-shaped structure.

6. The vibrating screening device for precast slab concrete for construction according to claim 1, wherein the movable rod (19) is connected with the housing (13) and the arc piece (18) through a pin shaft (37), and the eccentric wheels one (15) and the eccentric wheels two (16) are arranged alternately.

7. The vibration screening device for the precast slab concrete for the building construction as claimed in claim 1, wherein the pulley (4) is connected with the box body (3) through a bracket (38), the top end of the bottom plate (1) and two sides of the box body (3) are symmetrically provided with convex blocks (39), and a guide rod (40) penetrating through the bracket (38) is arranged between the two groups of convex blocks (39).

8. The vibrating screening device for the concrete of the precast slab for the building construction as recited in claim 7, wherein the bracket (38) is provided with a slide hole matched with the guide rod (40), and the pulley (4) is a fixed universal wheel.

9. The vibrating screening device for the precast slab concrete for the building construction as claimed in claim 1, wherein a plurality of uniformly distributed stirring blades (41) are arranged on the stirring shaft (8) in a surrounding manner, the stirring blades (41) are arc-shaped structures, and the driving motor (9) is a forward and reverse rotating motor.

10. The vibrating screening device for the concrete of the precast slab for the building construction as recited in claim 1, wherein a baffle (42) matched with the material guiding port (10) is arranged at one side of the material guiding port, and a material discharging port is arranged at the bottom end of the box body (3).