CN216728200U

CN216728200U - Screening plant for recycled concrete product

Info

Publication number: CN216728200U
Application number: CN202220339667.4U
Authority: CN
Inventors: 郑艺炜; 吴松巽; 张敏
Original assignee: Zhangzhou Hengbao New Building Materials Co ltd
Current assignee: Zhangzhou Hengbao New Building Materials Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-14
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a screening device for recycled concrete products, which relates to the technical field of screening devices and comprises a screening device and a feeding hole formed above the screening device, wherein a screening net is arranged on the inner wall of the screening device, return springs connected with the side wall of the screening net are arranged on the inner wall of the screening device on two sides of the screening net, a convex block is fixed at the bottom end of the screening net, a rotating shaft is arranged below the convex block, an extrusion block is arranged on the outer wall of the rotating shaft, a transmission turntable is arranged on the end face of the rotating shaft, and half gears are arranged on two sides of the rotating shaft. According to the utility model, three-stage screening of materials is completed through the driving motor, the screening net, the rotating shaft, the transmission turntable, the half gear, the driven tooth wall, the material pushing plate, the electric push rod and the reset spring, so that the screening effect is better, and the screening quality is improved; through extrusion piece, lug, guaranteed the efficiency of screening, the practicality is strong.

Description

Screening plant for recycled concrete product

Technical Field

The utility model relates to the technical field of screening devices, in particular to a screening device for recycled concrete products.

Background

In the building engineering, the consumption of concrete is the largest, and in several raw materials in the concrete, the consumption of aggregate is the top, the recycled concrete refers to the new concrete prepared by crushing, cleaning and grading the waste concrete blocks, mixing the crushed, cleaned and graded concrete blocks according to a certain proportion with gradation, partially or totally replacing natural aggregates such as sand stones and the like, and then adding cement, water and the like, and in the existing mature recycled concrete process, the coarse aggregate of the recycled concrete is mainly utilized to partially or totally replace the natural coarse aggregate, obviously, the development and application of the recycled concrete can save the consumption of natural aggregate resources on one hand, and can also reduce the pollution to the urban environment on the other hand; in the existing recycled concrete process, the crushed recycled concrete aggregate has different particle sizes and needs to be screened to obtain particles suitable for concrete mixing and preparation.

The degree of current screening plant screening is lower to lead to mixing in the material has the material of other particle diameters, influence performance and effect, in addition, the condition of jam can appear in the aperture of branch screen cloth among the screening process, thereby influences the unloading speed of screening, needs the improvement.

SUMMERY OF THE UTILITY MODEL

Based on this, the object of the present invention is to provide a screening device for recycled concrete products to solve the technical problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a recycled concrete is screening plant for goods, includes the feed inlet that screening plant and screening plant top were seted up, screening net is installed to screening plant's inner wall, and the both sides of screening net are located screening plant's inner wall and all install the reset spring who is connected with screening net lateral wall, screening net's bottom mounting has the lug, and the below of lug installs the axis of rotation, the outer wall of axis of rotation is provided with the extrusion piece, and the terminal surface of axis of rotation installs the transmission carousel, half-gear is all installed to the both sides of axis of rotation, and the top of half-gear is connected with the driven tooth wall that is located screening net's bottom, driving motor is installed to the one end of axis of rotation, screening plant's inside is located screening net's terminal surface and is provided with the scraping wings, and electric putter is installed to one side of scraping wings.

Through adopting above-mentioned technical scheme for boring can pass through multistage branch sieve, thereby promoted the quality of screening, block up in the mode through the vibration simultaneously prevents to screen the mesh aperture.

The utility model is further provided that another group of screening nets is arranged below the screening nets, and the pore diameter of the second group of screening nets is smaller than that of the first group of screening nets.

Through adopting above-mentioned technical scheme, play the effect of multistage branch sieve.

The utility model is further provided that the rotating shaft is in transmission connection with the half gear through the transmission turntable and the transmission belt, and the half gear is in meshing connection with the driven gear wall through the gear.

Through adopting above-mentioned technical scheme, play the power transmission effect.

The utility model is further provided that the outer wall of the transmission turntable is provided with a first belt groove and a second belt groove.

Through adopting above-mentioned technical scheme, play the driven effect of multiunit.

The screening device is further provided with an output end of the driving motor and a rotating shaft which are fixedly connected through a coupler, and the driving motor is installed on the outer wall of the screening device in a limiting mode through the installation frame.

Through adopting above-mentioned technical scheme, play driving motor's stable drive effect.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model comprises a driving motor, a sieving net, a rotating shaft, a transmission turntable, half gears, a driven gear wall, a material pushing plate, an electric push rod and a return spring, wherein firstly, materials are injected into a first group of sieving nets in a sieving device through a feed port, the driving motor is started, the driving motor drives the rotating shaft to rotate, the rotating shaft drives two groups of half gears to rotate through the transmission turntable and a transmission belt, the driven gear wall is driven to move through the gear meshing action after the half gears rotate, therefore, the driven gear wall can drive the sieving net to move towards one side and extrude the return spring, when the gear teeth of the half gears rotate to be not contacted with the driven gear wall, the return spring returns to drive the sieving net to return, the reciprocating circulation is carried out, partial materials on the first group of sieving nets fall onto a second group of sieving nets, then are sieved by the second group of sieving nets, and partial materials fall into the lower parts of the second group of sieving nets, therefore, three-stage screening of the materials is completed, the screening effect is better, the screening quality is improved, and finally, the electric push rod is started and drives the material pushing plate to uniformly discharge the screened materials;

2. according to the utility model, through the extrusion blocks and the convex blocks, when the rotating shaft rotates, the rotating shaft can drive the multiple groups of extrusion blocks on the outer wall of the rotating shaft to rotate, when the extrusion blocks rotate to be in contact with the convex blocks, the extrusion blocks can extrude the convex blocks to move upwards, namely, the sieving net moves upwards, when the rotating shaft of the extrusion blocks is not in contact with the convex blocks, the sieving net can reset and circulate in a reciprocating manner, so that the vibrating effect on the sieving net is achieved, the effect of preventing the pore diameter of the sieving net from being blocked can be achieved, the blocked materials in the pore diameter of the sieving net can fall under vibration, the sieving efficiency is ensured, and the practicability is strong.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the structure of the transmission turntable of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a screening device; 2. screening the net; 3. a return spring; 4. a bump; 5. a rotating shaft; 6. extruding the block; 7. a transmission turntable; 701. a first belt groove; 702. a second belt groove; 8. a half gear; 9. a driven tooth wall; 10. a drive motor; 11. a material pushing plate; 12. an electric push rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A screening device for recycled concrete products is disclosed, as shown in figures 1-3, comprising a screening device 1 and a feeding hole arranged above the screening device 1, wherein a screening net 2 is arranged on the inner wall of the screening device 1, return springs 3 connected with the side wall of the screening net 2 are arranged on the inner wall of the screening device 1 at the two sides of the screening net 2, a lug 4 is fixed at the bottom end of the screening net 2, a rotating shaft 5 is arranged below the lug 4, an extrusion block 6 is arranged on the outer wall of the rotating shaft 5, a transmission turntable 7 is arranged on the end surface of the rotating shaft 5, half gears 8 are arranged on the two sides of the rotating shaft 5, the top end of the half gear 8 is connected with a driven tooth wall 9 arranged at the bottom end of the screening net 2, the rotating shaft 5 is in transmission connection with the half gear 8 through the transmission turntable 7, the half gear 8 is in gear meshing connection with the driven tooth wall 9, the rotating shaft 5 can drive the half gears 8 at the two sides to rotate through the transmission turntable 7, the driven tooth wall 9 of semi-gear 8 drive after rotating through gear engagement effect removes, realize the screening effect to screening net 2, driving motor 10 is installed to the one end of axis of rotation 5, driving motor 10's output passes through shaft coupling fixed connection with axis of rotation 5, and driving motor 10 is through the spacing installation of mounting bracket with the outer wall of screening plant 1, make driving motor 10 can drive axis of rotation 5 and rotate, and driving motor 10 can keep self steady operation, the terminal surface that the inside of screening plant 1 lies in screening net 2 is provided with scraping wings 11, and electric putter 12 is installed to one side of scraping wings 11.

Referring to fig. 1, another group of screening nets 2 is further disposed below the screening nets 2, and the aperture of the second group of screening nets 2 is smaller than that of the first group of screening nets 2, so that the materials can be screened in multiple stages through the two groups of screening nets 2 with different apertures, and the screening quality is improved.

Referring to fig. 2, a first belt groove 701 and a second belt groove 702 are formed in the outer wall of the transmission turntable 7, so that the transmission turntable 7 can transmit two sets of half gears 8.

The working principle of the utility model is as follows: firstly, materials are injected into a first group of sieving nets 2 in a sieving device 1 through a feeding hole, a driving motor 10 is started, the driving motor 10 drives a rotating shaft 5 to rotate, the rotating shaft 5 can drive two groups of half gears 8 to rotate through a transmission turntable 7 and a transmission belt after rotating, the half gears 8 can drive driven gear walls 9 to move through gear meshing action after rotating, therefore, the driven gear walls 9 can drive the sieving nets 2 to move to one side and extrude a reset spring 3, when the gear teeth of the half gears 8 rotate to be not contacted with the driven gear walls 9, the reset spring 3 resets and drives the sieving nets 2 to reset, reciprocating circulation is carried out, partial materials on the first group of sieving nets 2 fall onto the second group of sieving nets 2, then the materials are sieved by the second group of sieving nets 2, partial materials fall below the second group of sieving nets 2, thereby completing three-stage sieving of the materials, and the sieving effect is better, the screening quality is improved, finally, the electric push rod 12 is started, and the electric push rod 12 drives the material pushing plate 11 to uniformly discharge the screened materials;

in 5 pivoted in axis of rotation, axis of rotation 5 still can drive the multiunit extrusion piece 6 rotation of its outer wall, after extrusion piece 6 rotates to contact with lug 4, extrusion piece 6 can extrude lug 4 rebound, just also make screening net 2 rebound, after extrusion piece 6 rotates to not contact with lug 4, screening net 2 can reset, reciprocating cycle, play the vibration effect to screening net 2, both can play the effect that prevents the 2 apertures of screening net and block up, also can make the material that blocks up in the 2 apertures of screening net drop under the vibration, the efficiency of screening has been guaranteed.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a recycled concrete is screening plant for goods, includes the feed inlet that screening plant (1) and screening plant (1) top were seted up, its characterized in that: the screening net (2) is installed on the inner wall of the screening device (1), the reset springs (3) connected with the side wall of the screening net (2) are installed on the inner walls, located on the two sides of the screening net (2), of the screening net (1), the protruding blocks (4) are fixed to the bottom ends of the screening net (2), rotary shafts (5) are installed below the protruding blocks (4), extrusion blocks (6) are arranged on the outer walls of the rotary shafts (5), transmission turntables (7) are installed on the end faces of the rotary shafts (5), half gears (8) are installed on the two sides of the rotary shafts (5), the top ends of the half gears (8) are connected with driven tooth walls (9) located at the bottom end of the screening net (2), driving motors (10) are installed at one ends of the rotary shafts (5), and material pushing plates (11) are arranged on the end faces, located on the screening net (2), of the inside of the screening device (1), and one side of the material pushing plate (11) is provided with an electric push rod (12).

2. A screening device for recycled concrete products according to claim 1, characterized in that: the screening net is characterized in that another group of screening nets (2) is arranged below the screening nets (2), and the pore diameters of the second group of screening nets (2) are smaller than those of the first group of screening nets (2).

3. A screening apparatus for recycled concrete products as recited in claim 1, wherein: the rotating shaft (5) is in transmission connection with a half gear (8) through a transmission turntable (7) and a transmission belt, and the half gear (8) is in meshing connection with a driven gear wall (9) through a gear.

4. A screening apparatus for recycled concrete products as recited in claim 3, wherein: a first belt groove (701) and a second belt groove (702) are formed in the outer wall of the transmission turntable (7).

5. A screening apparatus for recycled concrete products as recited in claim 1, wherein: the output end of the driving motor (10) is fixedly connected with the rotating shaft (5) through a coupler, and the driving motor (10) is installed in a limiting mode through an installation frame and the outer wall of the screening device (1).