CN219052037U - Graded screening plant of concrete aggregate - Google Patents

Abstract

The application discloses hierarchical screening plant of concrete aggregate relates to concrete screening technical field, including the loading board, the screening case is installed at the top of loading board, and crude sieve is installed to the upper end slope of screening case inner chamber, and fine system sieve is installed to the lower extreme slope of screening case inner chamber, and the feed inlet has been seted up in the left side at screening case top, and first collection frame is installed to the bottom of screening case inner chamber. This application is through rough sieve, fine preparation sieve, first collection frame, second collection frame and discharge gate's cooperation setting, can carry out twice screening to concrete aggregate to can carry out more careful division to the concrete of various levels, and set up rough sieve and fine preparation sieve slope in the inside of screening case, make the aggregate after the screening can collect in unison through first collection frame and second collection frame, the problem of need shut down the clearance when having solved current aggregate and blockked up rough sieve and fine preparation sieve.

Description

Graded screening plant of concrete aggregate

Technical Field

The application relates to the technical field of concrete screening, in particular to a concrete aggregate classifying and screening device.

Background

The concrete aggregate is a granular loose material which plays a role in skeleton or filling in concrete, is divided into coarse aggregate and fine aggregate, along with the rapid development of construction industry in China, the demand for sand and stone in the market is also increasing, the sand and stone aggregate is a collective name of sand, pebble, broken stone, block stone, stone and other materials in hydraulic engineering, the sand and stone aggregate is a main building material of structures such as concrete and piled stone in hydraulic engineering, and in order to meet the technical requirements of different construction stages, aggregates with different particle sizes are usually required, so that an aggregate screening device is generated, and the aggregates of the concrete are required to be separated when the concrete is stirred at present, so that the concrete is easier to stir.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, and Chinese patent publication No. CN209379397U discloses a concrete aggregate screening machine, which comprises a bracket and a screening bin provided with a feed inlet and a discharge outlet, wherein a screen plate is rotatably connected in the screening bin through a first rotating shaft, and baffles for preventing aggregates from falling from the side edges of the screen plate are arranged around the screen plate; a rotating mechanism for driving the sieve plate to rotate around the first rotating shaft in a forward direction and then in a reverse direction at a fixed angle is arranged in the screening bin; the screen plate is provided with a plurality of first baffle plates connected with one side baffle plate and a plurality of second baffle plates connected with the other side baffle plate, and gaps are reserved among the first baffle plates, the second baffle plates and the opposite baffle plates. The sieve plate rotates around the first rotating shaft in a forward and reverse direction and circularly reciprocates, so that aggregates on the sieve plate slide on the sieve plate in a reciprocating manner, and the times of sieving the aggregates are improved. Aggregate will form the route of S-shaped under the effect of first current board and second current board at the slip in-process, increased the contact time and the contact area of aggregate and sieve, and then make the screening effect of aggregate better, but the aggregate on the sieve in the above-mentioned device takes out inconveniently, and the aggregate can be piled up on the sieve surface after long-term use, and the aggregate blocks up the sieve easily when sieving, and when the sieve appears blocking up, the screening machine need stop the back, dismantles the sieve and changes or manual cleaning to lead to the screening inefficiency of device.

Disclosure of Invention

In order to solve the problem that the screening efficiency of the device is low due to the fact that the screening plate is easy to block during screening in the device, when the screening plate is blocked, the screening machine needs to be stopped, and then the screening plate is detached for replacement or manual cleaning.

The application provides a concrete aggregate classifying and screening device, adopts following technical scheme:

the utility model provides a hierarchical screening plant of concrete aggregate, includes the loading board, the screening case is installed at the top of loading board, coarse sieve is installed to the upper end slope of screening case inner chamber, fine system sieve is installed to the lower extreme slope of screening case inner chamber, the feed inlet has been seted up in the left side at screening case top, first collection frame is installed to the bottom of screening case inner chamber, the both ends of first collection frame bottom all are connected with first fixture block, the first draw-in groove of first fixture block grafting complex has all been seted up at the both ends of screening case inner chamber bottom, screening case right side is close to coarse sieve with the discharge gate has all been seted up to fine system sieve's one end, the right side of screening case is connected with the backup pad, the second collection frame is installed at the top of backup pad, the second collection frame is located the below of discharge gate, the second fixture block is all installed at the both ends that the second collection frame bottom has, the top of backup pad set up with second fixture block grafting complex second fixture block, the right side fixture block is provided with the left side of loading board top, the drive assembly has the right side, the drive assembly is connected with the left end of screening case.

Optionally, the drive assembly includes the fixed plate, the fixed plate is installed the left end at loading board top, the center department of fixed plate runs through there is the pinion rack, the right-hand member of pinion rack with the left end fixed connection of screening case, the top and the bottom of pinion rack are connected with first incomplete gear and second incomplete gear respectively in the meshing, first incomplete gear with the second incomplete gear respectively with install the connecting plate between the fixed plate, the upper end the one end of connecting plate is fixed with the first incomplete gear of drive and rotates servo motor, the surface of first incomplete gear is connected with the action wheel through the pivot, the surface of second incomplete gear is connected with from the driving wheel through the pivot, the action wheel with from the driving wheel external drive is provided with connecting belt.

Through adopting above-mentioned technical scheme, servo motor during operation drives first incomplete gear rotation, because first incomplete gear and second incomplete gear are connected with the pinion rack meshing, first incomplete gear rotation drive pinion rack moves left, screening case left movement this moment, when second incomplete gear is connected with the pinion rack meshing, second incomplete gear rotation drive pinion rack moves right this moment, screening case moves right, thereby can drive screening case and control reciprocating motion all the time, thereby can drive the inside concrete aggregate of screening case and rock, the screening speed of aggregate has been accelerated.

Optionally, a sliding component is arranged between the screening box and the bearing plate, the sliding component comprises two groups of pulleys, the two groups of pulleys are rotationally connected to two ends of the bottom of the screening box, a sliding rail is arranged at the top of the bearing plate, and the pulleys are in rolling connection with the sliding rail.

Through adopting above-mentioned technical scheme, can drive the pulley and roll in the slide rail when the loading board is controlling the removal to make the loading board more smooth and easy at the in-process that removes, avoid appearing the condition of card as far as possible.

Optionally, support columns are all installed at four corners of loading board bottom, and four groups of the bottom of support column all is connected with the rubber pad.

Through adopting above-mentioned technical scheme, support whole device through four sets of support columns, the frictional force between support column and the ground has been increased in the setting of rubber pad for the device is more steady at the during operation.

Optionally, a door body is hinged to the surface of the screening box, and the door body is a transparent door body.

Through adopting above-mentioned technical scheme, through the setting of the door body, make things convenient for the staff to observe the screening condition of screening case inside aggregate.

Optionally, the second is collected the frame and is kept away from the one end of screening case is connected with the handle, the outer wall of handle has cup jointed the rubber sleeve.

Through adopting above-mentioned technical scheme, make things convenient for handheld handle department to dismantle the second with the second frame of collecting from the backup pad, the frictional force between handle and the hand has been increased in the setting of rubber sleeve, avoids appearing the smooth condition of hand at handheld in-process as far as possible.

In summary, the present application includes at least one of the following beneficial effects:

(1) Through the cooperation setting of rough sieve, fine system sieve, first collection frame, second collection frame and discharge gate, can carry out twice screening to concrete aggregate to can carry out more careful division to the concrete of various levels, and set up rough sieve and fine system sieve slope in the inside of screening case, make the aggregate after the screening can collect in unison through first collection frame and second collection frame, the problem of need shut down the clearance when having solved current aggregate and blockked up rough sieve and fine system sieve.

(2) Through fixed plate, connecting plate, first incomplete gear, action wheel, servo motor, pinion rack, connecting belt, follow the cooperation setting of driving wheel and second incomplete gear to can be through the pinion rack about remove drive screening case and remove, and then drive inside concrete aggregate and rock, make the inside aggregate quick dispersion of screening case, further improved the screening efficiency of device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present application;

FIG. 2 is a schematic elevational view of the present application;

fig. 3 is a schematic structural diagram of fig. 1 a in the present application.

In the figure: 1. a feed inlet; 2. a rough sieve plate; 3. a screening box; 4. fine screening plates; 5. a carrying plate; 6. a support column; 7. a rubber pad; 8. a first collection frame; 9. a first clamping groove; 10. a first clamping block; 11. a sliding assembly; 1101. a pulley; 1102. a slide rail; 12. a second clamping block; 13. a second clamping groove; 14. a second collection frame; 15. a support plate; 16. a handle; 17. a discharge port; 18. a door body; 19. a drive assembly; 1901. a fixing plate; 1902. a connecting plate; 1903. a first incomplete gear; 1904. a driving wheel; 1905. a servo motor; 1906. a toothed plate; 1907. a connecting belt; 1908. driven wheel; 1909. a second incomplete gear.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1 and 2 of the drawings, an embodiment provided in the present application: the utility model provides a hierarchical screening plant of concrete aggregate, includes loading board 5, and the top slidable mounting of loading board 5 has screening case 3, is provided with slip subassembly 11 between screening case 3 and the loading board 5, and slip subassembly 11 includes two sets of pulleys 1101, and two sets of pulleys 1101 rotate the both ends of connecting in screening case 3 bottoms, and slide rail 1102 has been seted up at the top of loading board 5, roll connection between pulley 1101 and the slide rail 1102. When the bearing plate 5 moves left and right, the pulley 1101 can be driven to roll in the sliding rail 1102, so that the bearing plate 5 is smoother in the moving process, and the situation of jamming is avoided as much as possible.

Referring to fig. 1 and 2 in the drawings, the supporting columns 6 are fixedly installed at four corners of the bottom of the bearing plate 5, and rubber pads 7 are fixedly connected to the bottoms of the four groups of supporting columns 6. The whole device is supported by the four groups of support columns 6, and the friction between the support columns 6 and the ground is increased by the arrangement of the rubber pads 7, so that the device is more stable in working. The surface of the screening box 3 is hinged with a door body 18, and the door body 18 is a transparent door body. Through the setting of the door body 18, make things convenient for the staff to observe the screening condition of screening case 3 inside aggregate.

Please refer to fig. 1 and 2 in the drawings of the specification, coarse screen plate 2 is installed at the upper end slope of the inner cavity of screening box 3, fine screen plate 4 is installed at the lower end slope of the inner cavity of screening box 3, feed inlet 1 is provided on the left side at the top of screening box 3, first collection frame 8 is installed at the bottom of the inner cavity of screening box 3, first fixture blocks 10 are fixedly connected at both ends of the bottom of first collection frame 8, first clamping grooves 9 which are in plug-in fit with first fixture blocks 10 are provided at both ends of the bottom of the inner cavity of screening box 3, discharge holes 17 are provided at one ends, close to coarse screen plate 2 and fine screen plate 4, of the right side of screening box 3, and aggregates can be discharged in time through the discharge holes 17. The right side fixedly connected with backup pad 15 of screening case 3, the second is collected the frame 14 at backup pad 15's top, and the second is collected the frame 14 and is located the below of discharge gate 17, and the second fixture block 12 is all installed at the both ends that the frame 14 bottom was collected to the second, and the second draw-in groove 13 with second fixture block 12 grafting complex is seted up at backup pad 15's top, and the one end that screening case 3 was kept away from to the second is collected the frame 14 is connected with handle 16, and the rubber sleeve has been cup jointed to the outer wall of handle 16. The second collecting frame 14 is detached from the supporting plate 15 at the handle 16 convenient to hold, and the friction force between the handle 16 and the hands is increased due to the arrangement of the rubber sleeve, so that the condition of hand sliding in the holding process is avoided as much as possible.

Referring to fig. 1 and 3 in the drawings, a driving assembly 19 is disposed at the left end of the top of the carrier plate 5, the right end of the driving assembly 19 is connected with the left end of the screening box 3, the driving assembly 19 includes a fixing plate 1901, the fixing plate 1901 is fixedly mounted at the left end of the top of the carrier plate 5, a toothed plate 1906 is movably penetrated at the center of the fixing plate 1901, the right end of the toothed plate 1906 is fixedly connected with the left end of the screening box 3, a first incomplete gear 1903 and a second incomplete gear 1909 are respectively engaged with the top and the bottom of the toothed plate 1906, a connecting plate 1902 is mounted between the first incomplete gear 1903 and the second incomplete gear 1909 and the fixing plate 1901, one end of the upper connecting plate 1902 is fixedly connected with a driving wheel 1904 driving the first incomplete gear 1903 to rotate a servo motor 1905, the surface of the first incomplete gear 1903 is connected with a driven wheel 1908 through a rotating shaft, the surface of the second incomplete gear 1909 is connected with a driven wheel 1908 through the rotating shaft, and a connecting belt 1907 is arranged outside the driving wheel 1904 and the driven wheel 1908. When the servo motor 1905 works, the first incomplete gear 1903 is driven to rotate, and because the first incomplete gear 1903 and the second incomplete gear 1909 are connected with the toothed plate 1906 in a meshed mode, the first incomplete gear 1903 drives the toothed plate 1906 to move leftwards, at the moment, the screening box 3 moves leftwards, when the second incomplete gear 1909 is connected with the toothed plate 1906 in a meshed mode, the second incomplete gear 1909 drives the toothed plate 1906 to move rightwards, at the moment, the screening box 3 moves rightwards, and accordingly the screening box 3 can be driven to always perform left-right reciprocating motion, concrete aggregate inside the screening box 3 can be driven to shake, and the screening speed of aggregate is accelerated.

Working principle: when the device is used, external power supply pours the aggregate to be screened into the feed inlet 1, aggregate can fall on coarse screen plate 2 at this moment, carry out first screening to the aggregate through coarse screen plate 2, the concrete aggregate that leaves after the screening falls on fine screen plate 4, carry out the secondary screening to the aggregate through fine screen plate 4, conveniently carry out the classifying screen to the concrete aggregate, thereby can carry out finer division to the concrete of various grades, because coarse screen plate 2 and fine screen plate 4 slope set up in screening case 3 inside, therefore the aggregate of coarse screen plate 2 and fine screen plate 4 top can fall into the inside of second through discharge gate 17 and collect the frame 14 and collect in unison, and aggregate after twice screening then falls into the inside of first collection frame 8 and collect in unison, the problem that need shut down the clearance when current aggregate blocks coarse screen plate 2 and fine screen plate 4 has effectively been solved.

In the screening process, a servo motor 1905 is started, the servo motor 1905 drives a first incomplete gear 1903 to rotate when in operation, and because the first incomplete gear 1903 and a second incomplete gear 1909 are in meshed connection with a toothed plate 1906, when the first incomplete gear 1903 is in meshed connection with the toothed plate 1906, the first incomplete gear 1903 drives the toothed plate 1906 to move leftwards, at the moment, the screening box 3 moves leftwards, when the second incomplete gear 1909 is in meshed connection with the toothed plate 1906, the second incomplete gear 1909 drives the toothed plate 1906 to move rightwards, at the moment, the screening box 3 moves rightwards, and the screening box 3 can be driven to reciprocate leftwards and rightwards along with continuous rotation of the servo motor 1905, so that concrete in the screening box 3 can be driven to shake, and the screening speed of aggregate is accelerated.

After the device screening is finished, the door body 18 is opened, the first collecting frame 8 is pulled upwards, the first clamping block 10 is separated from the first clamping groove 9, so that the first collecting frame 8 can be taken out and moved out of aggregate, meanwhile, the handle 16 is held by hand, the second collecting frame 14 is pulled upwards, the second clamping block 12 is separated from the second clamping groove 13, the two groups of second collecting frames 14 can be sequentially detached and moved out of aggregate, and classified collection of the screened aggregate is facilitated.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. The utility model provides a classifying and screening device for concrete aggregate, includes loading board (5), its characterized in that: the utility model discloses a screening box, supporting plate, first collection frame (8) are installed at the top of loading board (5), screening box (3) inner chamber's upper end slope install crude screen board (2), fine screen board (4) are installed to screening box (3) inner chamber's lower extreme slope, feed inlet (1) are seted up in screening box (3) top's left side, first collection frame (8) are installed to screening box (3) inner chamber's bottom, first fixture block (10) are all connected with at the both ends of first collection frame (8) bottom, screening box (3) inner chamber bottom both ends all set up with first fixture block (10) grafting complex first draw-in groove (9), screening box (3) right side is close to crude screen board (2) with fine screen board (4) one end all has seted up discharge gate (17), screening box (3) right side is connected with backup pad (15), second collection frame (14) are installed at backup pad (15) top, second collection frame (14) are located discharge gate (17) below second fixture block (17) second collection frame (14) are installed at the top (12) top that is equipped with second fixture block (12), the right end of the driving component (19) is connected with the left end of the screening box (3).

2. A concrete aggregate classifying screen device according to claim 1, wherein: the driving assembly (19) comprises a fixed plate (1901), the fixed plate (1901) is installed at the left end at the top of the bearing plate (5), a toothed plate (1906) penetrates through the center of the fixed plate (1901), the right end of the toothed plate (1906) is fixedly connected with the left end of the screening box (3), a first incomplete gear (1903) and a second incomplete gear (1909) are respectively connected with the top and the bottom of the toothed plate (1906) in a meshed mode, a connecting plate (1902) is installed between the first incomplete gear (1903) and the second incomplete gear (1909) and the fixed plate (1901), one end of the connecting plate (1902) at the upper end is fixedly provided with a driving first incomplete gear (1903) for rotating a servo motor (1905), the surface of the first incomplete gear (1903) is connected with a driving wheel (1904) through a rotating shaft, the surface of the second incomplete gear (1909) is connected with a driven wheel (1908) through a rotating shaft, and the driving wheel (1904) and the driven wheel (1908) are connected with an external belt through a rotating shaft.

3. A concrete aggregate classifying screen device according to claim 1, wherein: the screening box (3) with be provided with slip subassembly (11) between loading board (5), slip subassembly (11) are including two sets of pulleys (1101), two sets of pulley (1101) rotate and connect the both ends of screening box (3) bottom, slide rail (1102) have been seted up at the top of loading board (5), pulley (1101) with roll connection between slide rail (1102).

4. A concrete aggregate classifying screen device according to claim 1, wherein: support columns (6) are arranged at four corners of the bottom of the bearing plate (5), and rubber pads (7) are connected to the bottoms of the four groups of support columns (6).

5. A concrete aggregate classifying screen device according to claim 1, wherein: the surface of the screening box (3) is hinged with a door body (18), and the door body (18) is a transparent door body.

6. A concrete aggregate classifying screen device according to claim 1, wherein: one end of the second collecting frame (14) far away from the screening box (3) is connected with a handle (16), and the outer wall of the handle (16) is sleeved with a rubber sleeve.

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