CN215390728U - Multistage screening equipment is used in recycled concrete processing - Google Patents
Multistage screening equipment is used in recycled concrete processing Download PDFInfo
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- CN215390728U CN215390728U CN202122167547.9U CN202122167547U CN215390728U CN 215390728 U CN215390728 U CN 215390728U CN 202122167547 U CN202122167547 U CN 202122167547U CN 215390728 U CN215390728 U CN 215390728U
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Abstract
The application discloses recycled concrete processing is with multistage screening equipment relates to recycled concrete processing technical field, improves the lower problem of current screening plant screening efficiency, including screening case, base, one-level screen cloth, second grade screen cloth and tertiary screen cloth, the equal fixedly connected with supporting spring in one end bottom that pivot was kept away from to one-level screen cloth, second grade screen cloth and tertiary screen cloth, the top of one-level screen cloth, second grade screen cloth and tertiary screen cloth all is equipped with the cam. This application is through the pivot, supporting spring, the connecting axle, the cam, driven sprocket, first chain, first motor, the cooperation of drive sprocket and second chain, when the screening, can start first motor and drive three cam and rotate simultaneously, when the cam constantly rotates, the cam can carry out intermittent type nature to one-level screen cloth, second grade screen cloth and tertiary screen cloth and push down, make one-level screen cloth, second grade screen cloth and tertiary screen cloth constantly shake, avoid the material to pile up on the screen cloth as far as possible, improve the screening efficiency of screen cloth.
Description
Technical Field
The application relates to the technical field of recycled concrete processing, in particular to multistage screening equipment for recycled concrete processing.
Background
The recycled concrete is new concrete prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and then adding cement, water and the like, wherein the recycled concrete can have the following conditions according to the combination form of the aggregates: the aggregates are all regenerated aggregates, the coarse aggregates are regenerated aggregates, the fine aggregates are natural sand, the coarse aggregates are natural gravels or pebbles, the fine aggregates are regenerated aggregates, and the regenerated aggregates replace part of the coarse aggregates or the fine aggregates.
However, the existing screening device is single in screening mode and low in screening efficiency, and cannot meet the existing requirements, so that the multistage screening equipment for processing the recycled concrete is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to improve the lower problem of current screening plant screening efficiency, the application provides a recycled concrete processing uses multistage screening equipment.
The application provides a recycled concrete processing is with multistage screening equipment adopts following technical scheme:
a multi-stage screening device for processing recycled concrete comprises a screening box and a base arranged at the bottom of the screening box, wherein a first-stage screen, a second-stage screen and a third-stage screen are sequentially arranged in the screening box from top to bottom, and one ends of the first-stage screen, the second-stage screen and the third-stage screen are rotatably connected with the inner side wall of the screening box through rotating shafts;
the bottom of one end of each of the first-stage screen, the second-stage screen and the third-stage screen, which is far away from the rotating shaft, is fixedly connected with a supporting spring, the lower end of each supporting spring is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the inner side wall of the screening box;
screening case is close to one side of supporting spring and is located the top of one-level screen cloth, second grade screen cloth and tertiary screen cloth and all rotates and install the connecting axle, the one end fixed mounting that the connecting axle is located the screening incasement has the cam, the one end fixed mounting that the cam was kept away from to the connecting axle has driven sprocket, and is three connect through first chain drive between the driven sprocket, one side fixed mounting that the screening case is close to driven sprocket has first motor, the output fixed mounting of first motor has drive sprocket, be connected through second chain drive between drive sprocket and the driven sprocket of below.
Through adopting above-mentioned technical scheme, in order to improve screening efficiency, can start first motor and drive three cam and rotate simultaneously, when the cam constantly rotates, the cam can carry out intermittent type nature to one-level screen cloth, second grade screen cloth and tertiary screen cloth and push down, makes one-level screen cloth, second grade screen cloth and tertiary screen cloth constantly shake, avoids the material to pile up on the screen cloth as far as possible, improves the screening efficiency of screen cloth.
Optionally, the top of the screening box is fixedly provided with a feed hopper.
Through adopting above-mentioned technical scheme, when the screening, add the material from the feeder hopper in the screening case.
Optionally, four discharge hoppers are arranged on one side, close to the rotating shaft, of the screening box, three discharge hoppers are arranged above the first-level screen, the second-level screen and the third-level screen respectively, another discharge hopper is arranged below the third-level screen, and four discharge hoppers are arranged on one side of each discharge hopper in a rotating mode and provided with baffles.
Through adopting above-mentioned technical scheme, when needing the discharge material, open corresponding baffle, make the material discharge from the play hopper that corresponds.
Optionally, one side fixed mounting that the base upper surface is close to out the hopper has the support, the top of support rotates with the diapire of screening case to be connected, one side that the support was kept away from to the base upper surface is installed screw rod and the guide arm that is parallel to each other, the second motor is installed to one side of base upper surface, the output shaft of second motor and the one end fixed connection of screw rod, the surperficial threaded connection of screw rod has the swivel nut, the surface sliding connection of guide arm has the guide pin bushing, fixed mounting has the connecting rod between swivel nut and the guide pin bushing, the bracing piece is all rotated and installed at the top of swivel nut and guide pin bushing, the upper end of bracing piece rotates with the bottom of screening case to be connected.
Through adopting above-mentioned technical scheme, when the ejection of compact, start the second motor drive screw rod and rotate, make the screw rod drive swivel nut and guide pin bushing and remove along the length direction of screw rod and guide pin bushing, when swivel nut and guide pin bushing removed, the bracing piece can take place to rotate, will sieve the case and keep away from the one end jack-up of support, make the screening case rotate and slope around the support, make things convenient for the discharge of material.
Optionally, the four corners of the lower surface of the base are fixedly provided with damping assemblies, and the bottom of each damping assembly is fixedly provided with a bottom plate.
Through adopting above-mentioned technical scheme, damper can reduce the vibrations that equipment during operation produced, prolong the life of equipment.
Optionally, the shock-absorbing assembly comprises a movable rod arranged on the lower surface of the base and a movable sleeve arranged on the upper surface of the bottom plate, the lower end of the movable rod is inserted into the movable sleeve, and a shock-absorbing spring is sleeved on the outer surface of the movable rod.
Through adopting above-mentioned technical scheme, when equipment during operation, can produce relative displacement between movable rod and the movable sleeve, make damping spring subduct vibrations, reach absorbing purpose.
Optionally, one side of the screening box close to the first motor is fixedly provided with a protective shell, and the first motor, the driving sprocket and the driven sprocket are all arranged in the protective shell.
Through adopting above-mentioned technical scheme, the protecting crust can play the guard action to transmission structure.
Optionally, a heat dissipation port is arranged on the side surface of the protective shell.
Through adopting above-mentioned technical scheme, the radiating efficiency of protective housing can be improved to the thermovent.
In summary, the present application includes at least one of the following benefits:
1. according to the screening device, through the matching of the rotating shaft, the supporting spring, the connecting shaft, the cam, the driven sprocket, the first chain, the first motor, the driving sprocket and the second chain, when screening is carried out, the first motor can be started to drive the three cams to rotate simultaneously, when the cams rotate continuously, the cams intermittently press down the first-stage screen, the second-stage screen and the third-stage screen, so that the first-stage screen, the second-stage screen and the third-stage screen are continuously shaken, materials are prevented from being accumulated on the screens to the greatest extent, and the screening efficiency of the screens is improved;
2. this application is through the support, the screw rod, the guide arm, the second motor, the swivel nut, the cooperation of guide pin bushing and bracing piece, when the ejection of compact, can start the second motor drive screw rod and rotate, make the screw rod drive swivel nut and guide pin bushing along the length direction removal of screw rod and guide pin bushing, when swivel nut and guide pin bushing removed, the rotation can take place for the bracing piece, the one end jack-up of support is kept away from to the screening case, make the screening case around support rotation and slope, make things convenient for the discharge of material, improve ejection of compact efficiency.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic top view of the base of the present invention;
figure 4 is a schematic view of the internal structure of the shock absorbing assembly of the present invention.
Description of reference numerals: 1. screening the box; 2. a base; 3. a first-stage screen; 4. a secondary screen; 5. a third-stage screen mesh; 6. a rotating shaft; 7. a support spring; 8. a support plate; 9. a connecting shaft; 10. a cam; 11. a driven sprocket; 12. a first chain; 13. a first motor; 14. a drive sprocket; 15. a second chain; 16. a feed hopper; 17. a discharge hopper; 18. a baffle plate; 19. a support; 20. a screw; 21. a guide bar; 22. a second motor; 23. a threaded sleeve; 24. a guide sleeve; 25. a connecting rod; 26. a support bar; 27. a shock absorbing assembly; 2701. a movable rod; 2702. a movable sleeve; 2703. a damping spring; 28. a base plate; 29. and (4) a protective shell.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Referring to fig. 1-2, a multistage screening device for recycled concrete processing comprises a screening box 1 and a base 2 installed at the bottom of the screening box 1, wherein a feed hopper 16 is fixedly installed at the top of the screening box 1, materials are added into the screening box 1 from the feed hopper 16 during screening, a first-stage screen 3, a second-stage screen 4 and a third-stage screen 5 are sequentially arranged in the screening box 1 from top to bottom, the mesh diameters of the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5 are sequentially reduced, and multistage screening of recycled concrete materials can be achieved.
Referring to fig. 1 and 2, one end of each of the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5 is rotatably connected with the inner side wall of the screening box 1 through a rotating shaft 6, the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5 can rotate around the rotating shaft 6, the bottoms of the ends, far away from the rotating shaft 6, of the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5 are fixedly connected with supporting springs 7, the lower ends of the supporting springs 7 are fixedly connected with supporting plates 8, the supporting plates 8 are fixedly connected with the inner side wall of the screening box 1, the supporting springs 7 can play a supporting role for the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5, one side, close to the supporting springs 7, of the screening box 1 is rotatably provided with connecting shafts 9 above the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5, one end, of the connecting shaft 9, in the screening box 1, is fixedly provided with a cam 10, when screening, control connecting axle 9 drives cam 10 and rotates, protruding end and one-level screen cloth 3 when cam 10, when second grade screen cloth 4 and tertiary screen cloth 5 contact, one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 will revolve clockwise around pivot 6, and supporting spring 7 can receive the atress shrink, one-level screen cloth 3 is kept away from gradually to protruding end when cam 10, when second grade screen cloth 4 and tertiary screen cloth 5, supporting spring 7 will release, drive one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 revolve anticlockwise rotation around pivot 6, therefore, when cam 10 constantly rotates, cam 10 can be to one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 carry out intermittent type nature and push down, make one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 constantly shake, avoid the material to pile up on the screen cloth as far as possible, improve the screening efficiency of screen cloth.
Referring to fig. 1 and 2, in order to control the rotation of the cam 10 conveniently during screening, a driven sprocket 11 is fixedly installed at one end of the connecting shaft 9 far away from the cam 10, the three driven sprockets 11 are in transmission connection with each other through a first chain 12, a first motor 13 is fixedly installed at one side of the screening box 1 near to the driven sprocket 11, a driving sprocket 14 is fixedly installed at an output end of the first motor 13, the driving sprocket 14 is in transmission connection with the lowermost driven sprocket 11 through a second chain 15, the first motor 13 is started to drive the driving sprocket 14 to rotate, the driving sprocket 14 drives the lowermost driven sprocket 11 to rotate through the second chain 15, the three driven sprockets 11 are synchronously linked through the first chain 12, so that the three driven sprockets 11 drive the connecting shaft 9 to synchronously rotate, the three cams 10 simultaneously, in order to protect a transmission structure, a protective shell 29 is fixedly installed at one side of the screening box 1 near to the first motor 13, the first motor 13, the driving sprocket 14 and the driven sprocket 11 are all arranged in the protective shell 29, and a heat dissipation opening is formed in the side face of the protective shell 29, so that heat dissipation can be performed on internal components of the protective shell 29.
Referring to fig. 1 and 2, four discharge hoppers 17 are provided on one side of the screening box 1 close to the rotating shaft 6, wherein three discharge hoppers 17 are respectively provided above the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5, another discharge hopper 17 is provided below the third-stage screen 5, after the screening is completed, the material can be discharged from the four discharge hoppers 17 respectively, in order to control the opening and closing of the single discharge hopper 17 conveniently, a baffle 18 is installed on one side of each of the four discharge hoppers 17 in a rotating manner, and when the material needs to be discharged, only the corresponding baffle 18 needs to be opened.
Referring to fig. 1, 2 and 3, in order to facilitate the discharge of materials, a bracket 19 is fixedly installed on one side of the upper surface of the base 2 close to the discharge hopper 17, the top end of the bracket 19 is rotatably connected with the bottom wall of the sieving box 1, a screw 20 and a guide rod 21 which are parallel to each other are installed on one side of the upper surface of the base 2 far from the bracket 19, a second motor 22 is installed on one side of the upper surface of the base 2, an output shaft of the second motor 22 is fixedly connected with one end of the screw 20, the screw 20 can be driven to rotate by starting the second motor 22, a threaded sleeve 23 is in threaded connection with the surface of the screw 20, when the screw 20 rotates, because the outer surface of the guide rod 21 is slidably connected with a guide sleeve 24, and a connecting rod 25 is fixedly installed between the threaded sleeve 23 and the guide sleeve 24, the guide rod 21 and the guide sleeve 24 can limit the threaded sleeve 23 to prevent the threaded sleeve 23 from rotating, so that the threaded sleeve 23 and the guide sleeve 24 move along the length directions of the screw 20 and the guide rod 21, the top of swivel nut 23 and guide pin bushing 24 all rotates and installs bracing piece 26, and the upper end of bracing piece 26 rotates with the bottom of screening case 1 to be connected, and when swivel nut 23 and guide pin bushing 24 removed, bracing piece 26 can take place to rotate to the one end jack-up of keeping away from support 19 with screening case 1 makes screening case 1 rotate and slope around support 19, thereby conveniently discharges the material.
Referring to fig. 1 and 4, because the equipment can produce vibrations when working, in order to prolong the service life of the equipment, equal fixed mounting has damper 27 in the four corners department of base 2 lower surface, damper 27's bottom fixed mounting has a bottom plate 28, damper 27 is including installing movable rod 2701 at base 2 lower surface and installing movable sleeve 2702 at bottom plate 28 upper surface, the lower extreme of movable rod 2701 is inserted in movable sleeve 2702, the surface cover of movable rod 2701 is equipped with damping spring 2703, when the equipment is worked, can produce relative displacement between movable rod 2701 and the movable sleeve 2702, make damping spring 2703 subdue vibrations, reach the absorbing mesh.
The implementation principle of the application is as follows: during screening, materials are added into a screening box 1 from a feed hopper 16, the recycled concrete materials are screened in multiple stages through a first-stage screen 3, a second-stage screen 4 and a third-stage screen 5, in order to improve the screening efficiency, a first motor 13 can be started to drive a driving sprocket 14 to rotate, the driving sprocket 14 drives a driven sprocket 11 at the lowest part to rotate through a second chain 15, the three driven sprockets 11 are synchronously linked through a first chain 12, the three driven sprockets 11 drive a connecting shaft 9 to synchronously rotate, three cams 10 simultaneously rotate, when protruding ends of the cams 10 are in contact with the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5, the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5 clockwise rotate around a rotating shaft 6, a supporting spring 7 is stressed to shrink, when the protruding ends of the cams 10 are gradually far away from the first-stage screen 3, the second-stage screen 4 and the third-stage screen 5, supporting spring 7 will release, drive one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 revolute 6 anticlockwise rotation, therefore, when cam 10 constantly rotates, cam 10 can be to one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 carry out intermittent type nature and push down, make one-level screen cloth 3, second grade screen cloth 4 and tertiary screen cloth 5 constantly tremble, avoid the material to pile up on the screen cloth as far as possible, improve the screening efficiency of screen cloth, after the screening is accomplished, open corresponding baffle 18, start second motor 22 drive screw rod 20 and rotate, make screw rod 20 drive swivel nut 23 and guide pin bushing 24 and move along the length direction of screw rod 20 and guide arm 21, when swivel nut 23 and guide pin bushing 24 move, bracing piece 26 can take place to rotate, the one end jack-up that support 19 was kept away from to screening case 1, make screening case 1 rotate and slope around support 19, make things convenient for the material to discharge from play hopper 17.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a recycled concrete processing is with multistage screening equipment, includes screening case (1) and installs base (2) in screening case (1) bottom, its characterized in that: the screening box (1) is internally provided with a first-stage screen (3), a second-stage screen (4) and a third-stage screen (5) from top to bottom in sequence, and one ends of the first-stage screen (3), the second-stage screen (4) and the third-stage screen (5) are rotatably connected with the inner side wall of the screening box (1) through rotating shafts (6);
the bottom of one end of each of the first-stage screen (3), the second-stage screen (4) and the third-stage screen (5) far away from the rotating shaft (6) is fixedly connected with a supporting spring (7), the lower end of each supporting spring (7) is fixedly connected with a supporting plate (8), and each supporting plate (8) is fixedly connected with the inner side wall of the screening box (1);
screening case (1) is close to one side of supporting spring (7) and is located the top of one-level screen cloth (3), second grade screen cloth (4) and tertiary screen cloth (5) and all rotates and installs connecting axle (9), one end fixed mounting that connecting axle (9) are located screening case (1) has cam (10), the one end fixed mounting that cam (10) were kept away from in connecting axle (9) has driven sprocket (11), and is three connect through first chain (12) transmission between driven sprocket (11), one side fixed mounting that screening case (1) are close to driven sprocket (11) has first motor (13), the output fixed mounting of first motor (13) has drive sprocket (14), be connected through second chain (15) transmission between drive sprocket (14) and the driven sprocket (11) of below.
2. The multistage screening apparatus for recycled concrete processing according to claim 1, wherein: the top of the screening box (1) is fixedly provided with a feed hopper (16).
3. The multistage screening apparatus for recycled concrete processing according to claim 2, wherein: four discharge hoppers (17) are arranged on one side, close to the rotating shaft (6), of the screening box (1), wherein the discharge hoppers (17) are arranged above the first-stage screen (3), the second-stage screen (4) and the third-stage screen (5) respectively, the discharge hoppers (17) are arranged below the third-stage screen (5), and the discharge hoppers (17) are arranged on one side of each discharge hopper (17) in a rotating mode and are provided with a baffle (18).
4. The multistage screening apparatus for recycled concrete processing according to claim 3, wherein: a bracket (19) is fixedly arranged on one side of the upper surface of the base (2) close to the discharge hopper (17), the top end of the bracket (19) is rotationally connected with the bottom wall of the screening box (1), one side of the upper surface of the base (2) far away from the bracket (19) is provided with a screw rod (20) and a guide rod (21) which are parallel to each other, a second motor (22) is arranged on one side of the upper surface of the base (2), an output shaft of the second motor (22) is fixedly connected with one end of the screw rod (20), the surface of the screw rod (20) is in threaded connection with a threaded sleeve (23), the outer surface of the guide rod (21) is in sliding connection with a guide sleeve (24), a connecting rod (25) is fixedly arranged between the threaded sleeve (23) and the guide sleeve (24), the top parts of the screw sleeve (23) and the guide sleeve (24) are respectively provided with a support rod (26) in a rotating way, the upper end of the supporting rod (26) is rotatably connected with the bottom of the screening box (1).
5. The multistage screening apparatus for recycled concrete processing according to claim 1, wherein: equal fixed mounting in four corners department of base (2) lower surface has damper (27), damper (27)'s bottom fixed mounting has bottom plate (28).
6. The multistage screening apparatus for recycled concrete processing according to claim 5, wherein: the shock absorption assembly (27) comprises a movable rod (2701) arranged on the lower surface of the base (2) and a movable sleeve (2702) arranged on the upper surface of the bottom plate (28), the lower end of the movable rod (2701) is inserted into the movable sleeve (2702), and a shock absorption spring (2703) is sleeved on the outer surface of the movable rod (2701).
7. The multistage screening apparatus for recycled concrete processing according to claim 1, wherein: screening case (1) is close to one side fixed mounting protecting crust (29) of first motor (13), drive sprocket (14) and driven sprocket (11) all establish in protecting crust (29).
8. The multistage screening apparatus for recycled concrete processing according to claim 7, wherein: and a heat dissipation port is arranged on the side surface of the protective shell (29).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167547.9U CN215390728U (en) | 2021-09-08 | 2021-09-08 | Multistage screening equipment is used in recycled concrete processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122167547.9U CN215390728U (en) | 2021-09-08 | 2021-09-08 | Multistage screening equipment is used in recycled concrete processing |
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| CN215390728U true CN215390728U (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078481A (en) * | 2022-12-23 | 2023-05-09 | 青岛昊鑫新能源科技有限公司 | Grinding equipment capable of synchronously screening for graphene processing |
-
2021
- 2021-09-08 CN CN202122167547.9U patent/CN215390728U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078481A (en) * | 2022-12-23 | 2023-05-09 | 青岛昊鑫新能源科技有限公司 | Grinding equipment capable of synchronously screening for graphene processing |
| CN116078481B (en) * | 2022-12-23 | 2023-12-12 | 青岛昊鑫新能源科技有限公司 | Grinding equipment capable of synchronously screening for graphene processing |
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