阅读说明：本技术 一种水泥制品制造用原料筛分装置 (Raw material screening plant is used in cement goods manufacturing ) 是由 王威 于 2021-10-13 设计创作，主要内容包括：本发明涉及一种水泥制品制造用原料筛分装置,它包括箱体,箱体上方一侧设有水泥进料口,另一侧为开口状结构,箱体内部设有隔板,隔板将箱体分为水泥筛分区和砂石筛分区,水泥筛分区内的箱体上侧内壁上设有打散机构,打散机构下方设有二级筛分机构,箱体内设有清扫出料渣机构,砂石筛分区的箱体内部设有隔板二,隔板二上方设有搅拌机构,搅拌机构上方设有打捞机构,隔板二下方设有出料口,出料口底部一侧铰接设有盖板,隔板二下侧壁设有用于打开盖板的驱动机构,隔板二下方的箱体内部设有倾斜的滤板,箱体侧壁上设有出砂口。本发明具有如下优点：筛分效果好、效率高、人工成本和采购成本小、方便运输和管理。(The invention relates to a raw material screening device for manufacturing cement products, which comprises a box body, wherein a cement feed inlet is formed in one side above the box body, the other side of the box body is of an open structure, a partition plate is arranged in the box body and divides the box body into a cement screening area and a sand and stone screening area, a scattering mechanism is arranged on the inner wall of the upper side of the box body in the cement screening area, a secondary screening mechanism is arranged below the scattering mechanism, a material residue cleaning and discharging mechanism is arranged in the box body, a partition plate II is arranged in the box body of the sand and stone screening area, a stirring mechanism is arranged above the partition plate II, a fishing mechanism is arranged above the stirring mechanism, a discharge hole is formed below the partition plate II, a cover plate is hinged to one side of the bottom of the discharge hole, a driving mechanism for opening the cover plate is arranged on the lower side wall of the partition plate II, an inclined filter plate is arranged in the box body below the partition plate II, and a sand outlet is formed in the side wall of the box body. The invention has the following advantages: the screening effect is good, the efficiency is high, the labor cost and the purchasing cost are low, and the transportation and the management are convenient.)

1. The utility model provides a raw materials screening plant is used in cement products manufacturing, it includes box (1), box (1) top one side is equipped with cement feed inlet (2), and the opposite side is opening column structure (18), its characterized in that: a partition plate (3) is arranged inside the box body (1) between the cement feed inlet (2) and the opening-shaped structure (18) of the box body (1), the box body (1) is divided into a cement screening area and a sand and stone screening area by the partition plate (3), a scattering mechanism (4) is arranged on the inner wall of the upper side of the box body (1) in the cement screening area, a secondary screening mechanism (5) is arranged in the box body (1) of the cement screening area below the scattering mechanism (4), a material residue cleaning mechanism (6) matched with the secondary screening mechanism (5) is further arranged in the box body (1) of the cement screening area, a material discharging mechanism (7) and a material receiving box which correspond to the secondary screening mechanism (5) and the material residue cleaning mechanism (6) respectively are further arranged at the bottom of the box body (1) of the cement screening area, the secondary screening mechanism (5) comprises circular screening boxes (51) which are positioned at the upper side and the lower side in the box body (1), the circular sieve box (51) is characterized in that sliding grooves (52) are respectively arranged at two side edges of the bottom of the circular sieve box (51), sliding rails (54) matched with the sliding grooves (52) are respectively arranged on two opposite side walls of the box body (1), a driving unit (53) used for driving the circular sieve box (51) is arranged on the outer side wall of the box body (1), the material slag cleaning mechanism (6) comprises a first transverse plate (61) positioned above the circular sieve box (51), the first transverse plate (61) is fixed in the box body (1) and a movable plate (62) is arranged below the first transverse plate through a sliding rail and a sliding connection way, an electric push rod (63) is arranged at the bottom of the movable plate (62), a first telescopic end of the electric push rod (63) is downwards connected with a third motor (64), the bottom of the third motor (64) is downwards connected with a U-shaped frame (65) provided with an inverted shaft end, and a connecting rod (66) is rotatably arranged between two inner sides of the U-shaped frame (65), one end of the connecting rod (66) penetrates through the U-shaped frame (65) to be connected with a motor four (67), the motor four (67) is fixed on the outer side wall of the U-shaped frame (65), the outer walls of the radial two sides of the connecting rod (66) are respectively provided with a cleaning bristle (68) and a cleaning scraper (69), one side of the side wall below the first transverse plate (61) is provided with a driving unit two (610) for driving the moving plate (62), the material receiving box is arranged at the bottom of the box body (1) in a pulling manner, a partition plate two (8) is arranged inside the box body (1) of the sand and stone sieve partition area, a stirring mechanism (9) is arranged in the box body (1) above the partition plate two (8), a fishing mechanism (10) is arranged in the box body (1) above the stirring mechanism (9), a discharge hole (11) is arranged below the partition plate two (8), one side of the bottom of the discharge hole (11) is hinged with a matched cover plate (12), the lateral wall is equipped with actuating mechanism (13) that is used for opening apron (12) under baffle two (8), inside filter plate (14) that are equipped with the slope of box (1) of baffle two (8) below, cement sieve subregion is kept away from to filter plate (14) one side down, be equipped with on box (1) lateral wall with filter plate (14) one side complex sand outlet (15) down, the region of filter plate (14) below is the water storage district.

2. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: a funnel-shaped flow guide shell (16) is arranged in the box body (1) between the scattering mechanism (4) and the secondary screening mechanism (5).

3. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: the scattering mechanism (4) comprises a first motor (41) which is positioned on the inner walls above the box bodies (1) on two sides of the cement feeding hole (2), and the shaft ends of the first motor (41) are downward and are respectively connected with scattering rods (42).

4. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: the driving unit comprises a driving box (531), a second motor (532) is installed inside the driving box (531), a cam (533) is connected to the shaft end of the second motor (532), a connecting plate (534) is further arranged inside the driving box (531), connecting rods (535) are respectively arranged on the upper side and the lower side of the side wall, close to the box body (1), of the connecting plate (534), the other end of each connecting rod (535) slides through the box body (1) and is respectively connected with an upper circular sieve box and a lower circular sieve box (51), springs (536) are respectively connected and arranged on the upper side and the lower side of the side wall, far away from the connecting rod (535), of the connecting plate (534), the other end of each spring (536) is connected with the inner side wall, far away from the box body (1), of each circular sieve box (51) is provided with a slag outlet (511), and a plug (512) is arranged on the slag outlet (511) in a matching manner, and a ferrous metal block (513) is arranged on the outer side wall of the plug (512).

5. The raw material screening apparatus for cement product production according to claim 4, wherein: discharge mechanism (7) are including the conical ejection of compact section of thick bamboo (71) of invering, conical ejection of compact section of thick bamboo (71) upper and lower uncovered, and the upper end is connected between two slide rails (54), and the lower extreme is connected and is equipped with and connects workbin (72), conical ejection of compact section of thick bamboo (71) inside is equipped with spiral decurrent guide plate (77), it is equipped with aspiration channel (73) to connect workbin (72) to keep away from grit sieve subregion one side, aspiration channel (73) other end stretches out box (1) and connects and be equipped with air pump (74), it is equipped with ventilated membrane (75) to connect inside aspiration channel (73) department of workbin (72), it describes for the opening to connect workbin (72) front side, articulated being equipped with and connect workbin (72) opening matched with discharge door (76) on box (1).

6. The raw material screening apparatus for cement product production according to claim 4, wherein: the material slag cleaning mechanism (6) further comprises two electric push rods (611) located on the side wall of the partition plate (3), the two telescopic ends of the electric push rods (611) correspond to the iron-containing metal block (513) respectively, an electromagnet (612) is connected to the end of the electric push rods (611), the driving unit (610) comprises a motor five (6101) connected with one side of the lower side wall of the transverse plate (61), a screw rod one (6102) is connected to the shaft end of the motor five (6101), the screw rod one (6102) is matched with and penetrates through the moving plate (62) and the end of the moving plate is rotatably connected with a screw rod seat one (6103), the screw rod seat one (6103) is fixed to the other side below the transverse plate one (61), and the screw rod one (6102) is parallel to the connecting rod (535).

7. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: stirring mechanism (9) are including being located box (1) and keeping away from six (91) of motor on the cement sieve subregion lateral wall, six (91) axle stubs of motor pass box (1) lateral wall and connect and be equipped with puddler (92), puddler (92) other end and baffle (3) lateral wall rotate and are connected, be equipped with a plurality of stirring leaf (93) on puddler (92) lateral wall.

8. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: the fishing mechanism (10) comprises a transverse plate II (101) connected to the inside above the box body (1) of the sand screening zone, a moving block (102) is arranged above the transverse plate II (101) in a sliding mode through a sliding groove in a matched mode, a driving unit III (103) used for driving the moving block (102) is arranged on the outer side wall of the box body (1) of the sand screening zone, the driving unit III (103) comprises a motor VII (1031) installed on the side wall of the box body (1), the shaft end of the motor VII (1031) penetrates through the side wall of the box body (1) to be connected with a screw rod II (1032), the screw rod II (1032) penetrates through the moving block (102) in a matched mode, the end portion of the screw rod II is rotatably connected with a screw rod seat II (1033), the screw rod seat II (1033) is fixed on the partition plate (3), a fishing rod (104) is arranged at the bottom of the moving block (102) through a threaded connection mode, the fishing rod (104) penetrates through the transverse plate II (101) to be connected with a fishing net (105) matched with the inside of the box body (1), the bottom of the chute is provided with a strip-shaped through hole (106) which is movably matched with the fishing rod (104).

9. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: the driving mechanism (13) comprises a fixing plate (131) fixed below the second partition plate (8), one side, close to the cover plate (12), of the side wall of the fixing plate (131) is hinged to a third electric push rod (132), and the other end of the third electric push rod (132) is hinged to the bottom of the cover plate (12).

10. The raw material screening apparatus for cement product manufacture according to claim 1, wherein: the water circulation mechanism (17) is connected to the side wall of the box body (1) of the water storage area, the water circulation mechanism (17) comprises a water pump (171), the water inlet end of the water pump (171) is connected with the side wall of the box body (1) through a water pipe, and the water outlet end of the water pump is connected with the side wall of the box body (1) between the stirring mechanism (9) and the fishing mechanism (10) through a water pipe II.

Technical Field

The invention relates to the technical field of cement product manufacturing, in particular to a raw material screening device for cement product manufacturing.

Background

The cement is a powdery hydraulic inorganic cementing material. Water is added and stirred to form slurry which can be hardened in air or water and can firmly bond sand, stone and other materials together.

Therefore, cement is widely used in various industries, and various cement products including building houses, roads, bridges, dams, cement boards, cement bricks, cement coatings and the like can be seen everywhere in real life.

The main raw materials of the cement product are cement and sand stone, so that the quality of the cement product is guaranteed when the cement product is manufactured, the particle size of the cement is an important evaluation standard of the quality of the cement, the sand stone is in an external environment, and impurities such as grass sticks and wood sticks are easily doped, so that the quality of the sand stone is influenced, and further the quality of the cement product is influenced, and therefore, the raw materials are required to be screened when the cement product is manufactured.

The existing screening device for cement is mostly only screened by one level, the screening effect is poor, and the bonded cement does not have a pretreatment mechanism, in addition, the screen after screening needs to be cleaned, the existing cleaning mode is manually cleaned, the labor cost is high, the efficiency is low, a push plate is utilized to clean or a cleaning roller is utilized to clean, one side of the screen box is required to be an open form or a practical plane screen plate, so that the blanking is convenient, however, the screen box or the screen of the mode can not move in a shaking form during screening, the material can leak from the open or plane side, in addition, the problem that the material is blocked in the screen hole and can not be cleaned easily occurs in the cleaning of the push plate, for the cleaning roller, a large amount of material can be rolled up by the cleaning roller to be thrown out when the cleaning is started, the cleaned materials are thrown to all positions of the device, so that the screening effect is influenced; for sandstone, the screening device doped with impurities is less at present, in addition, most of the existing screening is that two main raw materials are screened by different screening machines respectively, the efficiency is lower, the transportation and the management are inconvenient, the two raw materials are purchased respectively, and the cost is higher; at present, the screened cement generally falls directly through self weight, and the cement at the moment is not piled, so that the problems of slow cement falling, dispersed falling area and the like can occur, and loss is caused.

Disclosure of Invention

The invention provides a raw material screening device for manufacturing cement products, which aims to solve the problems of poor screening effect, low efficiency, high labor cost and purchase cost, inconvenience in transportation and management and the like.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a raw material screening device for manufacturing cement products comprises a box body, wherein a cement feed inlet is formed in one side above the box body, an open structure is formed in the other side of the box body, a partition plate is arranged inside the box body between the cement feed inlet and the open structure of the box body and divides the box body into a cement screening area and a sand screening area, a scattering mechanism is arranged on the inner wall of the upper side of the box body in the cement screening area, a secondary screening mechanism is arranged in the box body of the cement screening area below the scattering mechanism, a material residue cleaning and discharging mechanism matched with the secondary screening mechanism is further arranged in the box body of the cement screening area, a material discharging mechanism and a material receiving box which correspond to the secondary screening mechanism and the material residue cleaning mechanism respectively are further arranged at the bottom of the box body of the cement screening area, the secondary screening mechanism comprises circular screening boxes positioned at the upper side and the lower side inside the box body, and sliding grooves are respectively arranged at the edges of the two sides of the bottom of the circular screening boxes, the box body is provided with two opposite side walls which are respectively provided with a slide rail matched with the slide groove, the outer side wall of the box body is provided with a driving unit used for driving the circular sieve box, the cleaning and discharging mechanism comprises a first transverse plate positioned above the circular sieve box, the first transverse plate is fixed in the box body, the lower part of the first transverse plate is provided with a movable plate through a second slide rail in a sliding connection manner, the bottom of the movable plate is provided with a first electric push rod, the telescopic end of the first electric push rod is downward and is connected with a third motor, the shaft end of the third bottom of the third motor is downward and is connected with an inverted U-shaped frame matched with the inner diameter of the circular sieve box, a connecting rod is rotatably arranged between two sides inside the U-shaped frame, one end of the connecting rod penetrates through the U-shaped frame and is connected with a fourth motor, the fourth motor is fixed on the outer side wall of the U-shaped frame, the outer walls of the two radial sides of the connecting rod are respectively provided with cleaning bristles and a cleaning scraper, one side wall of the lower side of the movable plate is provided with a second driving unit used for driving the circular sieve box, the receiving box pull sets up at the bottom half, the inside baffle two that is equipped with of grit sieve subregion, two top box one sides of baffle are equipped with rabbling mechanism, box one side of rabbling mechanism top is equipped with salvage mechanism, two below baffles are equipped with the discharge gate, the articulated matched with apron that is equipped with in discharge gate bottom one side, two lateral walls are equipped with the actuating mechanism who is used for opening the apron under the baffle, the inside filter plate that is equipped with the slope of box of two below baffles, cement sieve subregion is kept away from to filter plate one side down, be equipped with on the lateral wall of box with filter plate one side complex sand outlet down, the region of filter plate below is the water storage area.

As an improvement, a funnel-shaped flow guide shell is arranged in a box body between the scattering mechanism and the secondary screening mechanism.

As an improvement, the scattering mechanism comprises a first motor located on the inner walls above the box bodies on two sides of the cement feeding hole, and scattering rods are connected and arranged on the first motor in a downward mode and are connected with the first motor at one axial end respectively.

As the improvement, second grade screening mechanism is including the circular sieve box that is located the inside upper and lower both sides of box, drive unit includes the drive case, drive incasement internally mounted has motor two, the connection of motor two shaft ends is equipped with the cam, still be equipped with the connecting plate in the drive case, the upper and lower side that the connecting plate is close to the lateral wall of box is equipped with the connecting rod respectively, the connecting rod other end slides and passes the box and be connected with two upper and lower circular sieve boxes respectively, the upper and lower side that the lateral wall of connecting rod was kept away from to the connecting plate is connected respectively and is equipped with the spring, the spring other end is connected with the inside wall that the box was kept away from to the drive case, one side that the drive case was kept away from to circular sieve box is equipped with the slag notch, the cooperation is equipped with the end cap on the slag notch, the end cap lateral wall is equipped with the iron-bearing metal piece.

As the improvement, discharge mechanism is including the conical ejection of compact section of thick bamboo of invering, conical ejection of compact section of thick bamboo does not have the lid from top to bottom, and the upper end is connected between two slide rails, and the lower extreme is connected and is equipped with and connects the workbin, conical ejection of compact section of thick bamboo inside is equipped with the decurrent guide plate of spiral, it is equipped with the aspiration channel to connect the workbin to keep away from grit screening district one side, the aspiration channel other end stretches out the box and connects and be equipped with the suction pump, it is equipped with the ventilated membrane to connect the inside aspiration channel department of workbin, it is the opening form to connect the workbin front side, the articulated discharge door that is equipped with and connects workbin opening matched with on the box.

As an improvement, the sweeping discharging slag mechanism further comprises two electric push rods II located on the side wall of the partition plate, two telescopic ends of the electric push rods II correspond to the iron-containing metal blocks respectively and are provided with electromagnets in an end connection mode, the driving unit II comprises a motor V connected with one side of the lower side wall of the partition plate, a first motor shaft is connected with a first screw rod, the first screw rod is matched with a first screw rod seat, the movable plate is passed through the movable plate, the end of the first screw rod seat is connected with a first screw rod seat in a rotating mode, the first screw rod seat is fixed to the other side of the lower side of the partition plate, and the first screw rod is parallel to the connecting rod.

As an improvement, the stirring mechanism comprises a six-motor which is positioned on the side wall of the box body far away from the cement screening area, the six-shaft end of the motor penetrates through the side wall of the box body to be connected with a stirring rod, the other end of the stirring rod is rotatably connected with the side wall of the partition plate, and a plurality of stirring blades are arranged on the outer side wall of the stirring rod.

As an improvement, the salvaging mechanism comprises a second transverse plate connected to the inside of the upper portion of the sand-gravel-sieving-zone box body, a moving block is arranged on the second transverse plate in a sliding mode through the cooperation of a sliding groove, a third driving unit used for driving the moving block is arranged on the outer side wall of the sand-gravel-sieving-zone box body, the third driving unit comprises a seventh motor installed on the side wall of the box body, the seventh shaft end of the seventh motor penetrates through the side wall of the box body to be connected with a second lead screw, the second lead screw is matched with the moving block, the end of the second lead screw is connected with a second lead screw seat in a rotating mode, the second lead screw seat is fixed on a partition plate, the bottom of the moving block is provided with a salvaging rod through threaded connection, the salvaging rod penetrates through the second transverse plate to be connected with a salvaging net matched with the inside of the box body, and the bottom of the sliding groove is provided with a strip-shaped through hole matched with the salvaging rod in a moving mode.

As an improvement, the driving mechanism comprises a fixing plate fixed below the second partition plate, one side, close to the cover plate, of the side wall of the fixing plate is hinged to a third electric push rod, and the other end of the third electric push rod is hinged to the bottom of the cover plate.

As an improvement, a water circulation mechanism is connected and arranged on the side wall of the box body of the water storage area, the water circulation mechanism comprises a water pump, the water inlet end of the water pump is connected with the side wall of the box body through a water pipe, and the water outlet end of the water pump is connected with the side wall of the box body between the stirring mechanism and the fishing mechanism through a water pipe II.

After adopting the structure, the invention has the following advantages: the inlet cement caking can be broken up by the breaking-up mechanism, so that the screening efficiency is improved, the circular screen box is driven by the driving unit to screen, so that the screening speed is accelerated, after screening is finished, the lower U-shaped frame is driven to rotate by the motor III in the material slag clearing-out mechanism, screened cement is centrifugally cleaned by the cleaning bristles and the cleaning scraper, and the cement is discharged from the slag outlet by matching with the electric push rod II, so that the labor cost is greatly reduced; meanwhile, the sand and stone are placed in the box body through the sand and stone screening area, impurities with the density smaller than that of water, such as grass sticks and wood sticks in the sand and stone, can float on the water surface through injecting water, and then the impurities are salvaged and removed through the salvage mechanism; whole device sieves cement and grit and fuses to a box in to facilitate the use more, conveniently transport and manage more, and reduced use cost and purchasing cost, in addition, through setting up discharge mechanism, can be so that the orderly quick whereabouts of cement after the screening, reduce the loss of cement.

Drawings

FIG. 1 is a schematic structural view of a raw material screening apparatus for manufacturing cement products according to the present invention.

FIG. 2 is a schematic view showing an overall external connection structure of a raw material sieving apparatus for manufacturing cement products according to the present invention.

FIG. 3 is a schematic top view showing the structure of a raw material sieving apparatus casing for manufacturing cement products according to the present invention.

Fig. 4 is a schematic top view of a circular screen box of the raw material screening apparatus for manufacturing cement products according to the present invention.

FIG. 5 is a schematic structural view of a U-shaped frame of a raw material screening device for manufacturing cement products according to the present invention.

FIG. 6 is a schematic view showing a connecting structure of a fishing rod and a moving block of the raw material sieving apparatus for manufacturing cement products according to the present invention.

FIG. 7 is a schematic structural diagram of a transverse plate I of the raw material screening device for manufacturing cement products.

FIG. 8 is a schematic structural view of a conical discharge cylinder of the raw material sieving device for manufacturing cement products according to the present invention.

As shown in the figure:

1. a box body; 2. a cement feed port; 3. a partition plate; 4. a breaking mechanism 41, a motor I, a motor 42 and a breaking rod; 5. the secondary screening mechanism comprises a 51, a circular screening box, 511, a slag outlet, 512, a plug, 513, a ferrous metal block, 52, a chute, 53, a driving unit, 531, a driving box, 532, a second motor, 533, a cam, 534, a connecting plate, 535, a connecting rod, 536, a spring, 54 and a sliding rail; 6. the device comprises a slag cleaning and discharging mechanism 61, a transverse plate I, a transverse plate 62, a moving plate 63, an electric push rod I, an electric push rod 64, a motor III, a motor 65, a U-shaped frame 66, a connecting rod 67, a motor IV, a motor 68, cleaning bristles 69, a cleaning scraper 610, a driving unit II, a driving unit 6101, a motor V, a screw 6102, a screw rod I, a screw 6103, a screw rod seat I, a screw rod seat 611, an electric push rod II, an electric push rod 612 and an electromagnet; 7. the device comprises a discharging mechanism, 71, a conical discharging barrel, 72, a material receiving box, 73, an air suction pipe, 74, an air suction pump, 75, a breathable film, 76, a discharging door, 77 and a guide plate; 8. a second clapboard; 9. the stirring mechanism 91, the motors six and 92, the stirring rod 93 and the stirring blades; 10. the fishing mechanism comprises 101, a transverse plate II, 102, a moving block, 103, a driving unit III, 1031, a motor seventh, 1032, a screw rod II, 1033, a screw rod seat II, 104, a fishing rod, 105, a fishing net, 106 and a strip-shaped through hole; 11. a discharge port; 12. a cover plate; 13. a driving mechanism 131, a fixing plate 132 and an electric push rod III; 14. filtering the plate; 15. a sand outlet; 16. a guide shell; 17. a water circulation mechanism 171, a water pump; 18. an open-ended structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a raw material screening device for manufacturing cement products comprises a box body 1, wherein a cement feed port 2 is arranged on one side above the box body 1, an open structure 18 is arranged on the other side of the box body, a partition plate 3 is arranged inside the box body 1 between the cement feed port 2 and the open structure 18 of the box body 1, the box body 1 is divided into a cement screening area and a sand screening area by the partition plate 3, a scattering mechanism 4 is arranged on the inner wall of the upper side of the box body 1 in the cement screening area, the scattering mechanism 4 comprises a first motor 41 which is positioned on the inner wall above the box body 1 on two sides of the cement feed port 2, the first motor 41 is connected with a scattering rod 42 with the shaft end facing downwards, and when cement enters from the cement feed port 2, the first motor 41 drives the scattering rod 42 to rotate, so that falling cement bonded into blocks can be scattered effectively;

a funnel-shaped diversion shell 16 is arranged in the box body 1 between the scattering mechanism 4 and the secondary screening mechanism 5, so that scattered cement can fall in order through the diversion shell 16.

As shown in fig. 1 and 4, a second-stage screening mechanism 5 is arranged in the box 1 of the cement screening area below the scattering mechanism 4, the second-stage screening mechanism 5 includes circular screening boxes 51 located at the upper and lower sides inside the box 1, the edges of the two sides of the bottom of the circular screening box 51 are respectively provided with sliding chutes 52, the two opposite side walls on the box 1 are respectively provided with sliding rails 54 matched with the sliding chutes 52, the outer side wall of the box 1 is provided with a driving unit 53 for driving the circular screening boxes 51, the driving unit includes a driving box 531, a second motor 532 is installed inside the driving box 531, the shaft end of the second motor 532 is connected with a cam 533, a connecting plate 534 is further arranged inside the driving box 531, the upper and lower sides of the connecting plate 534, which are close to the side wall of the box 1, are respectively provided with a connecting rod 535, and the other end of the connecting rod 535 slides through the box 1 and is respectively connected with the upper and lower circular screening boxes 51, the upper and lower sides of the side wall of the connecting plate 534 far away from the connecting rod 535 are respectively provided with a spring 536, the other end of the spring 536 is connected with the inner side wall of the driving box 531 far away from the box body 1, one side of the circular sieve box 51 far away from the driving box 531 is provided with a slag outlet 511, a plug 512 is arranged on the slag outlet 511 in a matching way, a ferrous metal block 513 is arranged on the outer side wall of the plug 512, cement passing through the diversion shell 16 enters the circular screen box 51 at the upper part, and simultaneously the second motor 532 is started to drive the cam 533 to rotate, and the connecting plate 534 can be always contacted with the cam 533 under the action of the spring 536, so as to improve the stability, and the rotation of the cam 533 drives the connecting plate 534 to move back and forth along with the rotation, thereby the round sieve box 51 is driven by the connecting rod 535 to rock back and forth under the matching of the sliding chute 52 and the sliding rail 54, and always keep the positions corresponding to the upper and lower parts, so that the cement is respectively screened and dropped from the upper and lower circular screen boxes 51.

As shown in fig. 1, 5 and 7, a cleaning and discharging slag mechanism 6 matched with the secondary screening mechanism 5 is further arranged in the box body 1 of the cement screening area, the cleaning and discharging slag mechanism 6 comprises a first transverse plate 61 positioned above the circular screen box 51, the first transverse plate 61 is of a triangular prism structure, one edge of the first transverse plate is upward, so that cement cannot stay above the first transverse plate 61 when falling, waste is reduced, the first transverse plate 61 is fixed in the box body 1, a moving plate 62 is arranged below the first transverse plate 61 through a second sliding rail in a sliding connection manner, a first electric push rod 63 is arranged at the bottom of the moving plate 62, a first electric push rod 63 is arranged at the telescopic end of the first electric push rod 63 downward and is connected with a third motor 64, an inverted U-shaped frame 65 is arranged at the bottom of the third motor 64, a connecting rod 66 is rotatably arranged between two sides in the U-shaped frame 65, one end of the connecting rod 66 penetrates through the U-shaped frame 65 and is connected with a fourth motor 67, the motor IV 67 is fixed on the outer side wall of the U-shaped frame 65, the outer walls of the two radial sides of the connecting rod 66 are respectively provided with a cleaning bristle 68 and a cleaning scraper 69 which are matched with the circular sieve box 51, the bottoms of the cleaning bristle 68 and the cleaning scraper 69 can extend out of the lower part of the U-shaped frame, one side of the side wall below the transverse plate I61 is provided with a driving unit II 610 for driving the moving plate 62, the cleaning slag discharging mechanism 6 further comprises two electric push rods II 611 positioned on the side wall of the partition plate 3, the telescopic ends of the two electric push rods II 611 respectively correspond to the iron-containing metal block 513, the end parts of the two electric push rods 611 are connected with an electromagnet 612, the driving unit II 610 comprises a motor V6101 connected with one side of the lower side wall of the transverse plate I61, the shaft end of the motor 6101 is connected with a screw rod I6102, the moving plate 6102 is matched with the moving plate 62 and penetrates through the end parts of the screw rod seat I6103 in a rotating manner, the screw rod seat I6103 is fixed on the other side below the transverse plate 61, the first screw 6102 is parallel to the connecting rod 535, after the screening by the second-stage screening mechanism 5, the round screen box 51 may have cement left thereon, at this time, the second motor 532 is stopped, the fifth motor 6101 is started to drive the first screw 6102 to rotate, so as to drive the moving plate 62 to move, the first electric push rod 63 is moved from the position shown in fig. 1 to the position right above the round screen box 51, a limit block is arranged on the second slide rail below the first transverse plate 61, and the second motor 532 is set to be at the position shown in fig. 1 when the second motor 532 stops, so that when the moving plate 62 moves to the limit block, the axis of the first electric push rod 63 coincides with the axis of the round screen box 51, the first electric push rod 63 extends out, so that the cleaning bristles 68 first contact with the bottom of the round screen box 51, the third motor 64 is started to drive the U-shaped frame 65 to rotate, so as to rotate and clean the cleaning bristles 68 in the round screen box 51, and at this time, the cleaning bristles extend out through the second electric push rod 611, the electromagnet 612 is contacted with the ferrous metal block 513, after the electromagnet is powered on, the electric push rod II 611 is retracted, so that the plug 512 is pulled out, and therefore, by rotation and centrifugal force, the cleaning bristles 68 can sweep a part of residual cement through the slag outlet 511, and clean out cement particles clamped at the bottom of the circular screen box 51, the motor III 64 is stopped, the electric push rod I63 is retracted, the motor IV 67 is controlled to rotate 180 degrees, the cleaning scraper 69 faces downwards, then the cleaning scraper 69 is moved to be contacted with the bottom of the circular screen box 51, so that the residual cement is further cleaned under the action of centrifugal force, and the cleaning scraper 69 rotates, so that the cement moves towards two ends of the cleaning scraper 69, and falls from the slag outlet 511 when passing through the slag outlet 511.

After the cleaning is finished, the cleaning bristles 68 and the cleaning scraper 69 are processed by the first electric push rod 63 and the second driving unit 610 to return to the positions shown in FIG. 1.

Utilize above-mentioned mode to clean, can set the screen cloth into the box body shape to need not set up great and clean roller or push pedal complex opening in one side of box body, thereby can use the drive form of rocking the screen cloth, can not cause the phenomenon that a large amount of cement flow out to appear in the screening.

As shown in fig. 1, fig. 2 and fig. 8, the bottom of the box 1 of the cement screening area is further provided with a discharging mechanism 7 and a material receiving box corresponding to the secondary screening mechanism 5 and the material cleaning and discharging mechanism 6, the material receiving box is drawn and arranged at the bottom of the box 1, the discharging mechanism 7 comprises an inverted conical discharging barrel 71, the conical discharging barrel 71 is uncovered from top to bottom, the upper end of the conical discharging barrel 71 is connected between the two slide rails 54, the lower end of the conical discharging barrel is connected with a material receiving box 72, a spiral downward guide plate 77 is arranged in the conical discharging barrel 71, an air suction pipe 73 is arranged at one side of the material receiving box 72 away from the sand screening area, the other end of the air suction pipe 73 extends out of the box 1 and is connected with an air suction pump 74, a breathable film 75 is arranged at the position of the air suction pipe 73 in the material receiving box 72, the front side of the material receiving box 72 is in an open shape, a discharging door 76 matched with the opening of the material receiving box 72 is hinged on the box 1, when the cement screening device is used, the opening of the material receiving box 72 can be in contact with the inner wall of the discharge door 76, air in the material receiving box 72 is sucked out through the air suction pump 74 and the air suction pipe 73, negative pressure is formed, screened cement moves downwards from the conical discharge barrel 71 along with air flow, the discharge speed is accelerated, the cement is reserved in the material receiving box 72 due to the arrangement of the air-permeable membrane 75 (the pore diameter of the air-permeable membrane 75 is smaller than the particle size of the cement), and the screened cement can orderly fall through the arrangement of the discharge mechanism 7 and cannot scatter to other positions; in addition, the cleaned cement enters the material receiving box and is convenient to collect and clean in a drawing mode.

As shown in figures 1 and 3, a second partition plate 8 is arranged inside the box body 1 of the sand and stone screening area, a stirring mechanism 9 is arranged on one side of the box body 1 above the second partition plate 8, the stirring mechanism 9 comprises a motor six 91 positioned on the side wall of the box body 1 far away from the cement screening area, the six shaft ends of the motor 91 penetrate through the side wall of the box body 1 to be connected with a stirring rod 92, the other end of the stirring rod 92 is rotatably connected with the side wall of the clapboard 3, the outer side wall of the stirring rod 92 is provided with a plurality of stirring blades 93, sand and cement are put down simultaneously, the cement enters the cement screening area through the cement feeding port 2, the sand and the cement directly enter the sand screening area, then, clear water is injected above the second partition plate 8, then the stirring rod 92 is driven to rotate and the stirring blade 93 is driven to rotate through the rotation of the motor six 91, so as to stir the sand and stone, fully contact with water and fully float the impurities with smaller density, such as wood sticks and grass sticks, on the water surface.

As shown in fig. 1 and 6, a fishing mechanism 10 is arranged on one side of the box body 1 above the stirring mechanism 9, the fishing mechanism 10 includes a second transverse plate 101 connected to the inside of the upper part of the box body 1 of the sand sieving zone, a moving block 102 is arranged above the second transverse plate 101 in a sliding manner through a sliding groove, a third driving unit 103 for driving the moving block 102 is arranged on the outer side wall of the box body 1 of the sand sieving zone, the third driving unit 103 includes a seventh motor 1031 arranged on the side wall of the box body 1, the shaft end of the seventh motor 1031 penetrates through the side wall of the box body 1 and is connected with a second lead screw 1032, the second lead screw 1032 penetrates through the moving block 102 in a matching manner and is rotatably connected with a second lead screw seat 1033 at the end part, the second lead screw seat 1033 is fixed on the partition plate 3, a fishing rod 104 is arranged at the bottom of the moving block 102 in a threaded connection manner, the fishing rod 104 penetrates through the second transverse plate 101 and is connected with a fishing net 105 matched with the inside of the box body 1, the bottom of the chute is provided with a strip-shaped through hole 106 matched with the fishing rod 104 in a moving way, in an initial state, the fishing rod 104 and the fishing net 105 are positioned at the positions shown in figure 1, and the fishing net 105 is arranged in the state shown in figure 1; a discharge port 11 is arranged below the second partition plate 8, a matched cover plate 12 is hinged to one side of the bottom of the discharge port 11, a driving mechanism 13 for opening the cover plate 12 is arranged on the side wall of the second partition plate 8, the driving mechanism 13 comprises a fixing plate 131 fixed below the second partition plate 8, a third electric push rod 132 is hinged to one side, close to the cover plate 12, of the side wall of the fixing plate 131, the other end of the third electric push rod 132 is hinged to the bottom of the cover plate 12, after fishing, the cover plate 12 is opened by controlling the third electric push rod 132, water and gravel fall down simultaneously, then the motor is controlled to rotate seven 1031 reversely, the fishing net 105 is moved to an initial position to wait for next fishing, and after a certain time, the fishing rod 104 can be screwed out from the lower portion of the moving block 102, so that cleaning can be performed.

As shown in fig. 1, the inside filter plate 14 that inclines that is equipped with of box 1 below the second 8 of baffle, the cement sieve district is kept away from to filter plate 14 one side down, be equipped with on the box 1 lateral wall with filter plate 14 one side complex sand outlet 15 down, the region of filter plate 14 below is the water storage district, and the water of whereabouts and grit contact filter plate 14, water pass through filter plate 14 and enter into the water storage district in, the grit then stays on filter plate 14, continues the whereabouts through the filter plate 14 of slope, drops in the sand box that connects of box 1 outside through sand outlet 15.

As shown in figure 1, the water circulation mechanism 17 is connected to the side wall of the box body 1 of the water storage area, the water circulation mechanism 17 comprises a water pump 171, the water inlet end of the water pump 171 is connected with the side wall of the box body 1 through a water pipe, the water outlet end of the water pump 171 is connected with the side wall of the box body 1 between the stirring mechanism 9 and the fishing mechanism 10 through a water pipe II, after sand and stone screening, water in the water storage area can be pumped to the position above the partition plate II 8 through the water pump 171, and therefore new water does not need to be injected into the water storage area at each time, and water resources are saved.

The principle of the invention is that cement and sand and stone are respectively placed in a cement screening area and a sand screening area at the same time, then the cement is screened by a secondary screening mechanism 5, meanwhile, sand and stone are screened by a stirring mechanism 9 and a fishing mechanism 10, after the cement and the sand and stone are screened, the cement enters a corresponding material receiving box 72 through a discharging mechanism 7, meanwhile, the sand and stone open a cover plate 12 through a driving mechanism 13 and enter the material receiving box through a filter plate 14 and a sand outlet 15, residual cement enters the corresponding material receiving box through a material slag cleaning mechanism 6 through a slag outlet 511, and simultaneously impurities in the sand and stone, such as grass sticks, wood sticks and the like, are cleaned through dismantling the fishing rod 104 and the moving block 102.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.