Concrete aggregate screening device and recycled concrete preparation equipment

Abstract

The invention provides a concrete aggregate screening device and recycled concrete preparation equipment. The concrete aggregate screening device comprises a bearing shell, a partition plate, a posture adjusting roller shaft, a pair of first motors, a plurality of sets of stop levers and a discharging module. The partition plate is fixedly arranged in the bearing shell in the radial direction of the bearing shell and used for bearing concrete aggregate to be screened. The posture adjusting roll shaft is arranged between the partition plate and the top wall of the inner cavity of the bearing shell, and the two ends of the posture adjusting roll shaft are rotationally connected with the inner wall of the bearing shell correspondingly; the pair of first motors is fixedly arranged on the outer wall of the bearing shell, and output shafts of the pair of first motors are connected with the two ends of the posture adjusting roller shaft correspondingly and used for driving the posture adjusting roller shaft to rotate. A plurality of groups of stop levers are arranged on the posture adjusting roll shaft and are distributed around the circumference of the center axis of the posture adjusting roll shaft in an array mode, and any group of stop levers are distributed at equal intervals in the axial direction of the posture adjusting roll shaft and used for screening concrete aggregate; the discharging module is arranged on the bearing shell. The device overcomes the defect that in the prior art, the machining effect is poor, and practicability is high.

Description

Technical Field

[0001] The invention relates to the technical field of recycled concrete preparation equipment, and in particular to a concrete aggregate screening device and recycled concrete preparation equipment. Background Art

[0002] Recycled concrete refers to concrete that is made by crushing, cleaning, and grading discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel, and then adding cement, water, etc. to reconfigure it.

[0003] In the prior art, a Chinese invention patent with application publication number CN117732569A discloses a recycled concrete production device and a preparation method thereof, the device includes a crushing bin, a feeding port is provided on the crushing bin, a discharging port is provided on the crushing bin, a dust removal mechanism is provided on the crushing bin, the dust removal mechanism corresponds to the discharging port, an oscillation mechanism is provided in the crushing bin, and a feeding conveyor belt is provided at one end of the crushing bin. Concrete blocks become aggregates that can be recycled, and the recycled aggregates move to the discharging port under the restriction of the oscillation mechanism, and then fall from the discharging port to the feeding conveyor belt. When the aggregates fall from the discharging port to the feeding conveyor belt, the dust removal mechanism collects the floating dust generated by the movement of the aggregates, and at the same time, the aggregates passing through the oscillation mechanism are vibrated, so that the floating dust attached to the aggregates falls into the collection bin at the bottom of the crushing bin, thereby reducing the dust generated when the aggregates fall on the feeding conveyor belt, and reducing the dust aroused floating in the air.

[0004] As for the above-mentioned recycled concrete production equipment, in the process of using the equipment to prepare recycled concrete, the equipment can only use the oscillating filter plate to simply screen the concrete aggregate, which has the defect of poor processing effect. Summary of the invention

[0005] In view of the technical problem of poor processing effect in the prior art, an embodiment of the present invention provides a concrete aggregate screening device, comprising: a bearing shell, a partition, a posture adjustment roller, a pair of first motors, a plurality of groups of baffles and a material discharge module; The partition is fixedly arranged inside the bearing shell, and the partition is arranged along the radial direction of the bearing shell, and is used to carry the concrete aggregate to be screened; The posture adjustment roller is arranged inside the bearing shell, and the two ends of the posture adjustment roller are respectively rotatably connected to the inner wall of the bearing shell, and the posture adjustment roller is located between the partition plate and the top wall of the inner cavity of the bearing shell; A pair of first motors are fixedly arranged on the outer wall of the bearing shell, and the output shafts of the pair of first motors are respectively connected to the two ends of the posture adjustment roller shaft, so as to drive the posture adjustment roller shaft to rotate; A plurality of groups of baffles are arranged on the posture adjusting roller shaft, any group of baffles are equidistantly distributed along the axial direction of the posture adjusting roller shaft, and a plurality of groups of baffles are distributed in a circular array around the central axis of the posture adjusting roller shaft for screening concrete aggregates; The unloading module is arranged on the bearing shell and is used for outputting concrete aggregates.

[0006] Furthermore, the partition is an arc-shaped plate, the head end of the partition is fixedly connected to the inner wall of the carrying shell, the distance between the tail end of the partition and the inner wall of the carrying shell is greater than zero, the cavity between the partition and the top wall of the inner cavity of the carrying shell is a cache cavity, the loading channel of the carrying shell is arranged at the top of the carrying shell, and the output end of the loading channel is connected to the top of the inner cavity of the cache cavity.

[0007] Furthermore, the posture adjustment roller comprises: a bearing cylinder, an end cover, a plurality of assembly windows and a plurality of assembly components; The bearing tube is a hollow cylindrical member, one end of which is open-type, and the other end of which is rotatably connected to the inner wall of the bearing shell, and one end of which is connected to the output shaft of one of the first motors; The end cover fixing cover is arranged at the port of one end of the bearing tube, the end cover is rotatably connected to the inner wall of the bearing shell, and the end cover is connected to the output shaft of another first motor; A plurality of assembly components are arranged on the end cover, the plurality of assembly components are distributed in a circular array around the central axis of the bearing tube, and the plurality of assembly components are respectively connected to a plurality of groups of baffle rods for assembling the plurality of groups of baffle rods on the bearing tube.

[0008] Further, the assembly component comprises: an assembly window, a plurality of assembly blocks, a plurality of sprockets, a transmission chain and a driving mechanism; The assembly window is provided on the circumferential side wall of the bearing tube, and is arranged along the axial direction of the bearing tube. One end of the assembly window is exposed to the end surface of the bearing tube facing the end cover, and the assembly windows of the plurality of assembly components are distributed in a circular array around the central axis of the bearing tube. A plurality of assembly blocks are slidably arranged in the inner cavity of the assembly window, the plurality of assembly blocks are sequentially arranged along the length direction of the assembly window, and the plurality of assembly blocks are respectively rotatably connected to the head end of one group of the blocking rods; A plurality of sprockets are respectively arranged at the head end of one group of baffle rods, and a plurality of sprockets are located in the inner cavity of the bearing cylinder, and are used to drive the baffle rods to flip; The transmission chain is mounted on a plurality of sprockets, and the transmission chain meshes with the plurality of sprockets to drive the plurality of sprockets to rotate synchronously; The driving mechanism is arranged on the end cover and is connected to the head end of one of the baffle bars, and is used for driving one of the baffle bars to flip.

[0009] Furthermore, the driving mechanism comprises: an assembly slot, a driving window, a guide rod, a sliding bracket, a return spring and a second motor; The assembly groove is fixedly arranged on the outer wall of the end cover facing the bearing cylinder, and the assembly grooves of the plurality of assembly components are distributed in a circular array around the central axis of the end cover; The driving window is arranged on the outer wall of the end cover on the side facing away from the bearing tube, and the driving window is communicated with the inner cavity of the assembly groove; The guide rod is arranged in the inner cavity of the assembly groove, both ends of the guide rod are fixedly connected to the inner wall of the assembly groove, and the central axis of the guide rod points to the central axis of the end cover; The sliding bracket is movably sleeved on the guide rod, and the sliding bracket extends into the inner cavity of the driving window; The return spring is movably sleeved on the guide rod, one end of the return spring is fixedly connected to the short rod, and the other end of the return spring is connected to the sliding bracket for elastically supporting the sliding bracket; The second motor is fixedly arranged on the sliding bracket, and the output shaft of the second motor is connected to the head end of one of the blocking rods, so as to drive one of the blocking rods to flip.

[0010] Further, the barrier bar comprises: a bearing portion and a wing portion; The bearing part is a column, and the head end of the bearing part is rotatably connected to the posture adjustment roller shaft; The side wing parts are fixedly arranged on the circumferential side walls of the bearing part, and the side wing parts are arranged along the length direction of the bearing part.

[0011] Furthermore, the blocking rod further comprises: a spiral protrusion, which is fixedly arranged on the circumferential side wall of the bearing portion, and the spiral protrusion is spirally arranged along the length direction of the bearing portion and around the central axis of the bearing portion.

[0012] Furthermore, the material discharge module comprises: a material discharge port, a gate, a switch assembly and a conveying device; The conveying device is arranged at the bottom of the inner cavity of the bearing shell, the conveying device is located between the partition plate and the inner cavity bottom wall of the bearing shell, and the output end of the conveying device extends out through the output port of the bearing shell; The feed opening is opened at the bottom of the partition; The gate is movably arranged between the partition and the bottom wall of the inner cavity of the bearing shell, the gate is in contact with the bottom surface of the partition, and the gate is located between the conveying device and the partition; The switch assembly is arranged on the bearing housing, and the switch assembly is connected with the gate plate.

[0013] Further, the switch assembly comprises: a pair of guide holes, a pair of first sliders, a pair of second sliders, a pair of guide members, a pair of transmission brackets, a pair of first guide rings, a pair of second guide rings and a connecting rod; A pair of guide holes are respectively opened on the side walls of the bearing shell on both sides, and any one of the guide holes penetrates the outer wall of the bearing shell and communicates with the inner cavity of the bearing shell. The shape of the guide hole matches that of the gate plate, and the gate plate is located between the pair of guide holes. The radial cross-section shape of the guide hole is a convex shape. A pair of first sliders are fixedly arranged at the head end of the gate plate, and the pair of first sliders are respectively slidably connected with the pair of guide holes along the guide of the guide holes, and any first slider passes through one of the guide holes and extends out of the outer surface of the bearing shell; A pair of second sliders are fixedly arranged at the rear end of the gate plate, and the pair of second sliders are respectively slidably connected with the pair of guide holes along the guide of the guide holes, and any second slider passes through one of the guide holes and extends out of the outer surface of the bearing shell; A pair of guide members are respectively fixedly arranged on the side walls on both sides of the bearing shell; A pair of transmission brackets are respectively slidably connected to a pair of guide members, and the bearing housing is located between the pair of transmission brackets; A pair of first guide rings are respectively fixedly arranged on a pair of transmission brackets, and a pair of first guide rings are respectively movably sleeved on a pair of first sliding blocks; A pair of second guide rings are respectively fixedly arranged on a pair of transmission brackets, and a pair of second guide rings are respectively movably sleeved on a pair of second sliding blocks; The connecting rod is movably arranged on the outer side of the bearing shell, and the connecting rod is fixedly connected with a pair of transmission brackets.

[0014] Another embodiment of the present invention provides a recycled concrete preparation device, comprising the above-mentioned concrete aggregate screening device.

[0015] The concrete aggregate screening device and the equipment for preparing recycled concrete according to the embodiments of the present invention have the following beneficial effects: 1. The device arranges a multi-row gear rod on the posture adjustment roller shaft, and uses a first motor to drive the strip roller shaft to rotate, so that the multi-row gear rod is driven to flip, and the multi-row gear rod is used to screen the concrete aggregate stored in the buffer cavity according to the particle size, thereby solving the defect of poor processing effect in the prior art.

[0016] 2. The device adopts a baffle with a bearing portion and a wing portion, and uses an assembly component of a posture-adjusting roller to adjust the deflection angle of the baffle, thereby adjusting the slit width between any pair of adjacent baffles, thereby facilitating the device to adjust the particle size range of the screened concrete aggregate, thereby enhancing the practicality of the device.

[0017] 3. The device adopts a baffle rod with a bearing portion, a wing portion and a threaded protrusion, and uses the assembly component of the posture adjustment roller to drive the baffle rod to rotate. The wing portion and the threaded protrusion of the baffle rod are used to eject the concrete aggregate stuck between a pair of baffle rods, so as to achieve the purpose of automatically cleaning the concrete aggregate stuck in the narrow gap between a pair of baffle rods, without the need for manual cleaning, thereby enhancing the convenience of use of the device.

[0018] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the assembly of the concrete aggregate screening device according to the present invention; Figure 2 is a schematic diagram of the internal structure of the concrete aggregate screening device according to the present invention; Figure 3 It is a schematic diagram of the assembly between the baffle rod and the posture adjustment roller according to the present invention; Figure 4 is a schematic diagram of an assembly assembly according to the present invention (the end cap is processed in perspective); Figure 5 A schematic diagram of the internal structure of a ladder roller according to the present invention; Figure 6 A parts diagram of an end cap according to the present invention (the end cap is processed in perspective); Figure 7 A parts diagram of a baffle rod according to an embodiment of the present invention; Figure 8 It is a schematic diagram of the assembly of the blanking module according to an embodiment of the present invention.

[0020] Description of the accompanying drawings: 1-bearing shell, 11-cache cavity, 12-feeding channel, 13-output port, 2-partition, 3-posture adjustment roller, 31-bearing cylinder, 32-end cover, 331-assembly block, 332-sprocket, 333-transmission chain, 3341-assembly groove, 3342-drive window, 3343-guide rod, 3344-sliding bracket, 3345-reset spring, 3346-second motor, 4-first motor, 5-blocking rod, 51-bearing part, 511-drive groove, 52-flank part, 53-spiral protrusion, 61-discharging port, 62-gate, 631-guide hole, 632-first slider, 633-second slider, 634-guide piece, 635-transmission bracket, 636-first guide ring, 637-second guide ring, 638-connecting rod, 64-conveying device. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0022] The above and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only reference directions of the accompanying drawings. Therefore, the directional terms used are used to illustrate and not to limit the present invention. In addition, in all embodiments, the same reference numerals represent the same elements.

[0023] First, combine Figures 1 to 8 The concrete aggregate screening device according to an embodiment of the present invention is described, which is used to screen concrete aggregate and has a wide range of application scenarios.

[0024] like Figure 1 , 2 As shown, a concrete aggregate screening device according to an embodiment of the present invention comprises: a bearing shell 1, a partition plate 2, a posture adjustment roller 3, a pair of first motors 4, a plurality of groups of baffle bars 5 and a material discharge module.

[0025] Specifically, Figure 1 , 2 As shown, the partition 2 is fixedly arranged inside the bearing shell 1, and the partition 2 is arranged along the radial direction of the bearing shell 1, and is used to carry the concrete aggregate to be screened; the posture adjusting roller 3 is arranged inside the bearing shell 1, and the two ends of the posture adjusting roller 3 are respectively rotatably connected to the inner wall of the bearing shell 1, and the posture adjusting roller 3 is located between the partition 2 and the top wall of the inner cavity of the bearing shell 1; a pair of first motors 4 are fixedly arranged on the outer wall of the bearing shell 1, and the output shafts of the pair of first motors 4 are respectively connected to the two ends of the posture adjusting roller 3, and are used to drive the posture adjusting roller 3 to rotate; a number of groups of baffle rods 5 are arranged on the posture adjusting roller 3, any group of baffle rods 5 are equidistantly distributed along the axial direction of the posture adjusting roller 3, and a number of groups of baffle rods 5 are distributed in a circular array around the central axis of the posture adjusting roller 3. In this embodiment, each group of baffle rods 5 is composed of a plurality of baffle rods 5, and any two baffle rods 5 are parallel, which is used to screen concrete aggregate; a feeding module is arranged on the bearing shell 1, and is used to output concrete aggregate.

[0026] Further, if Figure 1 , 2 As shown, the partition 2 is an arc-shaped plate, the head end of the partition 2 is fixedly connected to the inner wall of the carrying shell 1, the distance between the tail end of the partition 2 and the inner wall of the carrying shell 1 is greater than zero, the cavity between the partition 2 and the top wall of the inner cavity of the carrying shell 1 is the cache cavity 11, the loading channel 12 of the carrying shell 1 is arranged at the top of the carrying shell 1, and the output end of the loading channel 12 is connected to the top of the inner cavity of the cache cavity 11.

[0027] Further, if Figures 1 to 3As shown, the posture adjustment roller 3 includes: a bearing tube 31, an end cover 32, a plurality of assembly windows and a plurality of assembly components; the bearing tube 31 is a hollow cylindrical member, one end of the bearing tube 31 adopts an open design, the other end of the bearing tube 31 is rotatably connected to the inner wall of the bearing shell 1, and one end of the bearing tube 31 is connected to the output shaft of one of the first motors 4; the end cover 32 is a fixed cover arranged at a port at one end of the bearing tube 31, the end cover 32 is rotatably connected to the inner wall of the bearing shell 1, and the end cover 32 is connected to the output shaft of another first motor 4; a plurality of assembly components are arranged on the end cover 32, and the plurality of assembly components are distributed in a circular array around the central axis of the bearing tube 31, and the plurality of assembly components are respectively connected to a plurality of groups of baffle rods 5, so as to assemble the plurality of groups of baffle rods 5 on the bearing tube 31.

[0028] Further, if Figures 1 to 5 As shown, the assembly components include: an assembly window (not shown in the figure), a plurality of assembly blocks 331, a plurality of sprockets 332, a transmission chain 333 and a driving mechanism; the assembly window is opened on the circumferential side wall of the carrier tube 31, the assembly window is arranged along the axial direction of the carrier tube 31, one end of the assembly window is exposed to the end surface of the carrier tube 31 facing the end cover 32, and the assembly windows of the plurality of assembly components are distributed in a circular array around the central axis of the carrier tube 31; a plurality of assembly blocks 331 are slidably arranged in the inner cavity of the assembly window, and a plurality of assembly blocks 331 are arranged along the length of the assembly window. The plurality of sprockets 332 are arranged in sequence in the direction, and a plurality of assembly blocks 331 are rotatably connected to the head end of one group of the baffle rods 5; a plurality of sprockets 332 are respectively arranged at the head end of one group of the baffle rods 5, and the plurality of sprockets 332 are located in the inner cavity of the supporting cylinder 31, and are used to drive the baffle rods 5 to flip; a transmission chain 333 is sleeved on the plurality of sprockets 332, and the transmission chain 333 is meshed with the plurality of sprockets 332, and is used to drive the plurality of sprockets 332 to rotate synchronously; a driving mechanism is arranged on the end cover 32, and the driving mechanism is connected to the head end of one of the baffle rods 5, and is used to drive one of the baffle rods 5 to flip.

[0029] Further, if Figures 3 to 6As shown, the driving mechanism includes: an assembly groove 3341, a driving window 3342, a guide rod 3343, a sliding bracket 3344, a reset spring 3345 and a second motor 3346; the assembly groove 3341 is fixedly arranged on the outer wall of the end cover 32 facing the bearing cylinder 31, and the assembly grooves 3341 of a plurality of assembly components are distributed in a circular array around the central axis of the end cover 32; the driving window 3342 is arranged on the outer wall of the end cover 32 facing away from the bearing cylinder 31, and the driving window 3342 is connected to the inner cavity of the assembly groove 3341; the guide rod 3343 is arranged in the inner cavity of the assembly groove 3341, and both ends of the guide rod 3343 are connected to the inner cavity of the assembly groove 3341 The inner wall is fixedly connected, and the central axis of the guide rod 3343 points to the central axis of the end cover 32; the sliding bracket 3344 is movably mounted on the guide rod 3343, and the sliding bracket 3344 extends into the inner cavity of the driving window 3342; the reset spring 3345 is movably mounted on the guide rod 3343, one end of the reset spring 3345 is fixedly connected to the short rod, and the other end of the reset spring 3345 is connected to the sliding bracket 3344, which is used to elastically support the sliding bracket 3344; the second motor 3346 is fixedly arranged on the sliding bracket 3344, and the output shaft of the second motor 3346 is connected to the head end of one of the baffle rods 5, which is used to drive one of the baffle rods 5 to flip.

[0030] Preferably, in the present embodiment, a driving groove 511 having an inner cavity shape of a prism is opened at the head end of the blocking rod 5, and the output shaft of the second motor 3346 is a prism matching the shape of the driving groove 511, and the output shaft of the second motor 3346 is plugged into the driving groove 511. When the user needs to remove the end cover 32 from the supporting tube 31, first, the user pushes the sliding bracket 3344 to move it toward the center of the end cover 32 along the guide of the guide rod 3343, thereby driving the second motor 3346 to move synchronously, so that the output shaft of the second motor 3346 is disengaged from the inner cavity of the driving groove 511, so that the user can remove the end cover 32 equipped with the driving mechanism from the supporting tube 31, so as to facilitate the user to maintain the device.

[0031] Further, if Figure 5 , 7As shown, the blocking rod 5 includes: a bearing portion 51 and a wing portion 52; the bearing portion 51 is a column, and the head end of the bearing portion 51 is rotatably connected to the posture adjustment roller shaft 3. Preferably, the head end of the bearing portion 51 is rotatably connected to the assembly block 331, and the sprocket 332 located in the inner cavity of the bearing cylinder 31 is fixedly arranged at the head end of the bearing portion 51; the wing portion 52 is fixedly arranged on the circumferential side wall of the bearing portion 51, and the wing portion 52 is arranged along the length direction of the bearing portion 51. In this embodiment, the wing portion 52 is fixedly arranged on the side wall of the bearing portion 51, so that the device can be The bearing portion 51 is controlled to rotate, thereby driving the side wing portion 52 to flip at a certain angle, so as to adjust the slit width between the two connected baffle bars 5, so that the device can screen the concrete aggregates stored in the cache cavity 11 according to the particle size by driving the baffle bar 5 to flip. At the same time, the device can also control the rotation of the baffle bar 5 and use the side wing portion 52 to eject the concrete aggregates stuck between the two adjacent baffle bars 5. There is no need for the user to regularly clear the concrete aggregates stuck between the two adjacent baffle bars 5, thereby enhancing the convenience of use of the device.

[0032] Further, if Figure 5 , 7 As shown, the baffle rod 5 further includes: a spiral protrusion 53, which is fixedly arranged on the circumferential side wall of the bearing portion 51, and the spiral protrusion 53 is spirally arranged along the length direction of the bearing portion 51 and around the central axis of the bearing portion 51. Preferably, in any group of baffle rods 5, the thread directions of the spiral protrusions 53 arranged on any two adjacent baffle rods 5 are opposite, so that when the device controls the small-angle unidirectional deflection of two adjacent baffle rods 5, the spiral protrusion 53 can be used to apply a force parallel to the length direction of the baffle rod 5 to the concrete aggregate stuck between the pair of baffle rods 5, so as to enhance the efficiency of the device in clearing the concrete aggregate stuck between the pair of baffle rods 5.

[0033] Further, if Figure 1 , 2 As shown in Figure 8, the material discharge module includes: a material discharge port 61, a gate plate 62, a switch assembly and a conveying device 64; the conveying device 64 is arranged at the bottom of the inner cavity of the carrying shell 1, and the conveying device 64 is located between the partition plate 2 and the bottom wall of the inner cavity of the carrying shell 1, and the output end of the conveying device 64 extends out through the output port 13 of the carrying shell 1; the material discharge port 61 is opened at the bottom of the partition plate 2; the gate plate 62 is movably arranged between the partition plate 2 and the bottom wall of the inner cavity of the carrying shell 1, the gate plate 62 is in contact with the bottom surface of the partition plate 2, and the gate plate 62 is located between the conveying device 64 and the partition plate 2; the switch assembly is arranged on the carrying shell 1, and the switch assembly is connected to the gate plate 62.

[0034] Further, if Figure 1 , 2As shown in , 8, the switch assembly includes: a pair of guide holes 631, a pair of first sliders 632, a pair of second sliders 633, a pair of guide members 634, a pair of transmission brackets 635, a pair of first guide rings 636, a pair of second guide rings 637 and a connecting rod 638; the pair of guide holes 631 are respectively opened on the side walls of the two sides of the bearing shell 1, any one of the guide holes 631 passes through the outer wall of the bearing shell 1 and is connected with the inner cavity of the bearing shell 1, the guide holes 631 match the shape of the gate plate 62, the gate plate 62 is located between the pair of guide holes 631, and the radial cross-section shape of the guide holes 631 is convex; a pair of first sliders 632 are fixedly arranged at the head end of the gate plate 62, the pair of first sliders 632 are slidably connected with the pair of guide holes 631 along the guide of the guide holes 631, any one of the first sliders 632 passes through one of the guide holes 631 and extends out of the outer surface of the bearing shell 1; a pair of second sliders 633 are fixedly arranged Arranged at the rear end of the gate plate 62, a pair of second sliders 633 are slidably connected with the pair of guide holes 631 along the guide of the guide holes 631, and any second slider 633 passes through one of the guide holes 631 and protrudes out of the outer surface of the bearing shell 1; a pair of guide members 634 are respectively fixedly arranged on the side walls on both sides of the bearing shell 1; a pair of transmission brackets 635 are respectively slidably connected with the pair of guide members 634, and the bearing shell 1 is located between the pair of transmission brackets 635; a pair of first guide rings 636 are respectively fixedly arranged on the pair of transmission brackets 635, and the pair of first guide rings 636 are respectively movably mounted on the pair of first sliders 632; a pair of second guide rings 637 are respectively fixedly arranged on the pair of transmission brackets 635, and the pair of second guide rings 637 are respectively movably mounted on the pair of second sliders 633; ​​a connecting rod 638 is movably arranged on the outer side of the bearing shell 1, and the connecting rod 638 is fixedly connected with the pair of transmission brackets 635.

[0035] During the operation of this device, the feeding equipment inputs the crushed concrete aggregate into the inner cavity of the supporting shell 1 through the feeding channel 12. At the same time, a pair of first motors 4 are started synchronously to drive the posture adjustment roller 3 and a plurality of groups of baffles 5 arranged on the posture adjustment roller 3 to flip toward the side of the connecting rod 638. Concrete aggregate with smaller particles directly rolls to the bottom of the inner cavity of the buffer cavity 11 through the gap between the baffles 5, and concrete aggregate with larger particles falls on the baffles 5 and moves synchronously with the baffles 5 until it falls to the bottom of the inner cavity of the buffer cavity 11. With the further rotation of the posture adjustment roller 3, the tail end of the baffle 5 pushes the concrete aggregate with an outer diameter larger than the slit width between two adjacent baffles 5 out of the gap between the tail end of the partition 2 and the supporting shell 1 to the conveying device 64, and the conveying device 64 outputs the rolled concrete aggregate through the output port 13 of the supporting shell 1 to achieve the purpose of pushing it out in batches according to the volume of the concrete aggregate.

[0036] For concrete aggregates with smaller volumes, users can push the connecting rod 638 toward the output end of the conveying device 64, and utilize it to drive the transmission bracket 635 arranged on both sides of the bearing shell 1 to synchronously move, and then utilize the first guide ring 636 and the second guide ring 637 arranged on the transmission bracket 635 to respectively push the first slider 632 and the second slider 633 to slide along the guide hole 631. During this process, a pair of first sliders 632 and a pair of second sliders 633 drive the gate plate 62 to slide upward along the bottom surface of the partition 2, thereby opening the discharge port 61. After that, the concrete aggregates with smaller particles stored in the buffer cavity 11 flow out through the discharge port 61, and are finally transported out of the outside of the bearing shell 1 by the conveying device 64.

[0037] Another embodiment of the present invention provides a recycled concrete preparation device, comprising the above-mentioned concrete aggregate screening device.

[0038] Above, refer to Figures 1 to 8 The concrete aggregate screening device and the equipment for preparing recycled concrete according to the embodiments of the present invention are described, which have the following beneficial effects: 1. The device arranges a multi-row gear rod on the posture adjustment roller shaft, and uses a first motor to drive the strip roller shaft to rotate, so that the multi-row gear rod is driven to flip, and the multi-row gear rod is used to screen the concrete aggregate stored in the buffer cavity in batches according to the particle size, thereby solving the defect of poor processing effect in the prior art.

[0039] 2. The device adopts a baffle with a bearing portion and a wing portion, and uses an assembly component of a posture-adjusting roller to adjust the deflection angle of the baffle, thereby adjusting the slit width between any pair of adjacent baffles, thereby facilitating the device to adjust the particle size range of the screened concrete aggregate, thereby enhancing the practicality of the device.

[0040] 3. The device adopts a baffle rod with a bearing portion, a wing portion and a threaded protrusion, and uses the assembly component of the posture adjustment roller to drive the baffle rod to rotate. The wing portion and the threaded protrusion of the baffle rod are used to eject the concrete aggregate stuck between a pair of baffle rods, so as to achieve the purpose of automatically cleaning the concrete aggregate stuck in the narrow gap between a pair of baffle rods, without the need for manual cleaning, thereby enhancing the convenience of use of the device.

[0041] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although the content of the present invention has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the present invention. After reading the above content, it will be apparent to those skilled in the art that various modifications and substitutions of the present invention will occur. Therefore, the protection scope of the present invention should be limited by the appended claims.

Claims

1. A concrete aggregate screening device, characterized in that: It includes: a bearing shell, a partition, a posture adjustment roller, a pair of first motors, a plurality of groups of baffle bars and a material unloading module; The partition is fixedly arranged inside the bearing shell, and the partition is arranged along the radial direction of the bearing shell, and is used to carry the concrete aggregate to be screened; The posture adjustment roller is arranged inside the bearing shell, and both ends of the posture adjustment roller are rotatably connected to the inner wall of the bearing shell respectively, and the posture adjustment roller is located between the partition and the top wall of the inner cavity of the bearing shell; The pair of first motors are fixedly arranged on the outer wall of the bearing shell, and the output shafts of the pair of first motors are respectively connected to the two ends of the posture adjustment roller shaft, so as to drive the posture adjustment roller shaft to rotate; The plurality of groups of baffles are arranged on the posture adjustment roller, any group of baffles are equidistantly distributed along the axial direction of the posture adjustment roller, and the plurality of groups of baffles are distributed in a circular array around the central axis of the posture adjustment roller for screening the concrete aggregate; The unloading module is arranged on the bearing shell and is used for outputting the concrete aggregate.

2. The concrete aggregate screening device according to claim 1, characterized in that: The partition is an arc-shaped plate, the head end of the partition is fixedly connected to the inner wall of the supporting shell, the distance between the tail end of the partition and the inner wall of the supporting shell is greater than zero, the cavity between the partition and the top wall of the inner cavity of the supporting shell is a cache cavity, the loading channel of the supporting shell is arranged at the top of the supporting shell, and the output end of the loading channel is connected to the top of the inner cavity of the cache cavity.

3. The concrete aggregate screening device according to claim 1, characterized in that: The posture adjustment roller comprises: a bearing cylinder, an end cover, a plurality of assembly windows and a plurality of assembly components; The bearing tube is a hollow cylindrical member, one end of which is open-type, the other end of which is rotatably connected to the inner wall of the bearing shell, and one end of which is connected to the output shaft of one of the first motors; The end cover fixing cover is arranged at a port at one end of the bearing tube, the end cover is rotatably connected to the inner wall of the bearing shell, and the end cover is connected to the output shaft of another first motor; The plurality of assembly components are arranged on the end cover, the plurality of assembly components are distributed in a circular array around the central axis of the carrier tube, and the plurality of assembly components are respectively connected to the plurality of groups of baffle rods for assembling the plurality of groups of baffle rods on the carrier tube.

4. The concrete aggregate screening device according to claim 3, characterized in that: The assembly assembly comprises: an assembly window, a plurality of assembly blocks, a plurality of sprocket wheels, a transmission chain and a driving mechanism; The assembly window is provided on the circumferential side wall of the bearing tube, the assembly window is arranged along the axial direction of the bearing tube, one end of the assembly window is exposed to the end surface of the bearing tube facing the end cover, and the assembly windows of the plurality of assembly components are distributed in a circular array around the central axis of the bearing tube; The plurality of assembly blocks are slidably disposed in the inner cavity of the assembly window, the plurality of assembly blocks are sequentially arranged along the length direction of the assembly window, and the plurality of assembly blocks are respectively rotatably connected to the head end of one group of the blocking rods; The plurality of sprockets are respectively arranged at the head end of one group of the blocking rods, and the plurality of sprockets are located in the inner cavity of the bearing cylinder, and are used to drive the blocking rods to flip; The transmission chain is sleeved on the plurality of sprockets, and the transmission chain is meshed with the plurality of sprockets to drive the plurality of sprockets to rotate synchronously; The driving mechanism is arranged on the end cover, and the driving mechanism is connected to the head end of one of the baffle rods, and is used for driving one of the baffle rods to flip.

5. The concrete aggregate screening device according to claim 4, characterized in that: The driving mechanism comprises: an assembly slot, a driving window, a guide rod, a sliding bracket, a return spring and a second motor; The assembly groove is fixedly arranged on the outer wall of the end cover facing the bearing tube, and the assembly grooves of the plurality of assembly components are distributed in a circular array around the central axis of the end cover; The driving window is provided on the outer wall of the end cover on the side facing away from the bearing tube, and the driving window is communicated with the inner cavity of the assembly groove; The guide rod is arranged in the inner cavity of the assembly groove, both ends of the guide rod are fixedly connected to the inner wall of the assembly groove, and the central axis of the guide rod points to the central axis of the end cover; The sliding bracket is movably sleeved on the guide rod, and the sliding bracket extends into the inner cavity of the driving window; The return spring is movably sleeved on the guide rod, one end of the return spring is fixedly connected to the short rod, and the other end of the return spring is connected to the sliding bracket for elastically supporting the sliding bracket; The second motor is fixedly arranged on the sliding bracket, and the output shaft of the second motor is connected to the head end of one of the blocking rods, so as to drive one of the blocking rods to flip.

6. The concrete aggregate screening device according to claim 1, characterized in that: The baffle bar comprises: a bearing portion and a wing portion; The bearing part is a column, and the head end of the bearing part is rotatably connected to the posture adjustment roller shaft; The side wing portion is fixedly arranged on the circumferential side wall of the bearing portion, and the side wing portion is arranged along the length direction of the bearing portion.

7. The concrete aggregate screening device according to claim 6, characterized in that: The blocking rod further comprises: a spiral protrusion, which is fixedly arranged on the circumferential side wall of the bearing portion, and the spiral protrusion is spirally arranged along the length direction of the bearing portion and around the central axis of the bearing portion.

8. The concrete aggregate screening device according to claim 1, characterized in that: The material discharge module comprises: a material discharge port, a gate, a switch assembly and a conveying device; The conveying device is arranged at the bottom of the inner cavity of the bearing shell, the conveying device is located between the partition plate and the inner cavity bottom wall of the bearing shell, and the output end of the conveying device extends out through the output port of the bearing shell; The feed opening is opened at the bottom of the partition; The gate is movably arranged between the partition and the bottom wall of the inner cavity of the bearing shell, the gate is in contact with the bottom surface of the partition, and the gate is located between the conveying device and the partition; The switch assembly is arranged on the bearing housing, and the switch assembly is connected to the gate plate.

9. The concrete aggregate screening device according to claim 1, characterized in that: The switch assembly comprises: a pair of guide holes, a pair of first sliders, a pair of second sliders, a pair of guide members, a pair of transmission brackets, a pair of first guide rings, a pair of second guide rings and a connecting rod; The pair of guide holes are respectively opened on the side walls of the bearing shell on both sides, any one of the guide holes penetrates the outer wall of the bearing shell and communicates with the inner cavity of the bearing shell, the guide hole matches the shape of the gate plate, the gate plate is located between the pair of guide holes, and the radial cross-section shape of the guide hole is a convex shape; The pair of first sliders are fixedly arranged at the head end of the gate plate, and the pair of first sliders are respectively slidably connected with the pair of guide holes along the guide of the guide holes, and any one of the first sliders passes through one of the guide holes and protrudes from the outer surface of the bearing shell; The pair of second sliders are fixedly arranged at the rear end of the gate plate, and the pair of second sliders are respectively slidably connected with the pair of guide holes along the guide of the guide holes, and any one of the second sliders passes through one of the guide holes and protrudes from the outer surface of the bearing shell; The pair of guide members are respectively fixedly arranged on the side walls on both sides of the bearing shell; The pair of transmission brackets are respectively slidably connected to the pair of guide members, and the bearing housing is located between the pair of transmission brackets; The pair of first guide rings are respectively fixedly arranged on the pair of transmission brackets, and the pair of first guide rings are respectively movably sleeved on the pair of first sliding blocks; The pair of second guide rings are respectively fixedly arranged on the pair of transmission brackets, and the pair of second guide rings are respectively movably sleeved on the pair of second sliding blocks; The connecting rod is movably arranged on the outside of the bearing shell, and the connecting rod is fixedly connected to the pair of transmission brackets.

10. A recycled concrete preparation device, characterized in that: It comprises the concrete aggregate screening device as described in any one of claims 1 to 9.

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