Civil engineering house building waste treatment device

Abstract

The invention relates to the technical field of construction waste treatment, and discloses a civil engineering house construction waste treatment device which comprises a treatment box and further comprises gear boxes arranged on the front face and the back face of the treatment box; the feeding hopper is mounted at the top of the treatment box and is used for feeding waste reinforcing steel bars; the crushing barrel is arranged in the treatment box; the base is mounted at the bottom of the treatment box; the cutting mechanism is arranged in the treatment box and used for cutting the waste reinforcing steel bars; and the crushing mechanism is arranged in the crushing barrel and used for crushing the waste reinforcing steel bars and removing concrete attached to the outer walls of the waste reinforcing steel bars. According to the steel bar cutting device, the cutting mechanism is arranged, a first rotating drum and a second rotating drum are used for driving cutters to rotate oppositely, and then steel bars can be cut into small sections, so that subsequent cleaning of concrete attached to the outer walls of the steel bars is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of construction waste treatment, in particular to a device for treating construction waste of civil engineering buildings. Background Art

[0002] House construction waste, commonly known as construction waste, is solid waste generated during the construction, reconstruction, expansion or demolition of various buildings, structures, pipe networks, etc. These wastes include but are not limited to abandoned soil, abandoned materials and other wastes, such as bricks, mortar, concrete, steel bars, plastics, wood, stone, etc. After recycling, construction waste can generate a variety of products, such as recycled fine aggregate (0-5mm), recycled coarse aggregate (5-25mm and 25-31.5mm) and recycled micro powder. These products can be used as admixtures in the preparation of concrete, mortar and their products.

[0003] For example, a Chinese patent with announcement number CN214811198U discloses a waste treatment device for housing construction projects, including a box body, a feed hopper is fixedly connected to the top of the box body, a rotating shaft is provided in the upper inner cavity of the box body, one side of the rotating shaft is connected to the side wall of the box body through a bearing, and the other side of the rotating shaft is connected to the output end of the first drive motor, a cutting blade is spirally connected to the rotating shaft, a fixing rod is horizontally arranged below the rotating shaft, an active crushing wheel and a driven crushing wheel are provided on the fixing rod, crushing teeth are distributed in a circular array on the active crushing wheel and the driven crushing wheel, the crushing teeth of the active crushing wheel and the driven crushing wheel on the left and right sides are meshed with each other, the active crushing wheel is connected to the output end of the second drive motor, and a collection box is provided at the bottom of the box body. The utility model uses multiple waste treatment devices to process waste more delicately, which is more convenient when collecting and recycling, and the crushing device can be cleaned or replaced; However, when the above device is used to process construction waste, the concrete contains a large amount of steel bars. When the concrete structure of a house is demolished, most of the concrete on the steel bars has been separated during the dismantling. At this time, there is only the stubborn concrete attached to the outer wall of the steel bars that cannot be peeled off. Therefore, a civil engineering house construction waste processing device is proposed to solve the above-mentioned problem. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a device for treating waste from civil engineering building construction in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a civil engineering building construction waste treatment device, including a treatment box, and also including: Gear boxes are arranged on the front and back of the processing box; A feeding hopper, installed on the top of the processing box, for feeding waste steel bars; A crushing cylinder is arranged inside the processing box; A base, mounted on the bottom of the processing box; A cutting mechanism, arranged inside the processing box, for cutting waste steel bars; A crushing mechanism is arranged in the crushing cylinder and is used to crush the waste steel bars and remove the concrete attached to the outer wall thereof; Wherein, the cutting mechanism comprises: Two rotating drums are rotatably connected to the inner wall of the processing box through bearings; The second rotating drum is sleeved on the outer wall of the first rotating drum and rotates along with the first rotating drum; A plurality of cutting knives are equally arranged in an annular shape on the outer wall of the second rotating drum, and the two rotating drums rotate towards each other to drive the cutting knives to rotate and cut the steel bars.

[0006] Preferably, the cutting mechanism further comprises: Multiple push rods, whose outer wall movably penetrates the rotating drum and is connected with an arc-shaped extrusion plate for extruding waste steel bars; A plurality of springs are sleeved on the outer wall of the push rod and are respectively connected with the arc-shaped extrusion plate and the rotating drum to push the arc-shaped extrusion plate and the push rod to move toward the center of the circle; A fixing rod is arranged inside the rotating drum 1, and its two ends are respectively connected to the gear box; A plurality of wave-shaped sliding grooves are arranged on the outer wall of the fixing rod and fit with the inner side of the pushing rod so as to push the pushing rod to move outward.

[0007] Preferably, the crushing cylinder is integrally arranged with the processing box, and two inclined guide plates are connected at the connection of the inner walls thereof; The crushing mechanism comprises: A crushing shaft is mounted on the inner wall of the crushing barrel and extends backward; A plurality of U-shaped rods fixedly connected to the outer wall of the crushing shaft; A plurality of crushing rods are rotatably connected between the U-shaped rod and the crushing shaft, and are used to crush the concrete attached to the outer wall of the steel bar when rotating; An impact assembly is arranged on the outer wall of the crushing rod to further crush the concrete attached to the outer wall of the steel bar; The feeding hole is opened at the top of the crushing drum and is used to guide the cut steel bars into the crushing drum.

[0008] Preferably, the crushing mechanism further comprises: A plurality of through holes are provided at the bottom of the inner wall of the crushing cylinder for separating the stripped concrete; The discharge hole is arranged on the outer wall of the crushing cylinder and is used for discharging the steel bars after the concrete is stripped.

[0009] Preferably, the impact assembly comprises: A plurality of connecting rods connected to the outer wall of the breaker bar; An active hole is provided on the connecting rod; The impact ball is movably connected to the movable hole of the connecting rod through a connecting shaft and moves in the movable hole.

[0010] Preferably, the outer wall of the crushing shaft is provided with a pushing mechanism for pushing the crushed steel bars out along the discharge hole, and the pushing mechanism comprises: A push plate, fixedly connected to the outer wall of the crushing shaft, used to push the steel bars to move; The second fixing plate is installed in the groove formed on the pushing plate; Two movable rods, one end of which movably penetrates the second fixed plate, and the other end is connected with a dredging plate, and the dredging plate is pushed to move toward one side of the crushing cylinder by a spring three sleeved on the outer wall of the movable rod; A brush is installed on one side of the dredging plate for dredging the through holes on the crushing cylinder.

[0011] Preferably, a discharging mechanism is provided at the discharging hole to assist in discharging the steel bars, and the discharging mechanism comprises: Baffle plate 1 and baffle plate 2 are both movably connected in the chute provided in the crushing barrel; A fixed plate 1, fixedly connected in the slide groove; A plurality of arc-shaped rods are respectively connected between baffle plate 1 and baffle plate 2, and a spring 2 is sleeved on the outer wall of the arc-shaped rod and connected between fixed plate 1 and baffle plate 1 to push the baffle plate to move down to cover the discharge hole.

[0012] Preferably, gears are respectively installed on the backs of the two rotating drums, and are meshed with transmission gears in the gear box to drive the two rotating drums to rotate towards each other. A pulley is installed on the outer wall of the rotating drum one on the right side, and is connected to the crushing shaft through a pulley group.

[0013] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The civil engineering housing construction waste treatment device, through the provided cutting mechanism, utilizes the rotating drum 1 and the rotating drum 2 to drive the cutter to rotate towards each other, thereby cutting the steel bars into small sections, so as to facilitate the subsequent cleaning of the concrete attached to the outer wall.

[0014] 2. The civil engineering housing construction waste treatment device, through the cutting mechanism set up, when the push rod follows the rotation, cooperates with the action of the spring 1 and the wave-shaped slide groove, and then pushes the arc extrusion plate to move along the direction of the push rod, so that the arc extrusion plates on the two rotating drums 2 can approach each other to extrude the steel bars, so as to achieve the preliminary removal of concrete attached to the outer wall of the steel bars and improve the cleaning effect.

[0015] 3. The civil engineering housing construction waste treatment device, through the crushing mechanism, uses the crushing rod to rotate with the crushing shaft to crush the cut steel bars to remove the concrete attached to the outer wall. At the same time, the rotatable crushing rod can achieve a dialing effect after being hit, so as to further improve the crushing effect of the concrete on the outer wall of the steel bar. At the same time, after being hit, it can move in the movable hole to expand the crushing range of the concrete attached to the outer wall of the steel bar to improve the stripping effect.

[0016] 4. The civil engineering housing construction waste treatment device, through the setting of the pushing mechanism and the discharging mechanism, can use the baffle plate 1 and the baffle plate 2 to cover the feeding hole and the discharging hole, and then can cooperate with the pushing plate to realize the function of discharging. At the same time, the dredging plate that can be pushed by the spring 3 and the bristles arranged thereon can be used to realize the function of dredging the through hole, so as to avoid the through hole being blocked and affecting the separation of concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the back structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the present invention; Figure 4 This is a schematic diagram of the partial explosion structure of the crushing mechanism of the present invention; Figure 5 It is a schematic diagram of the structure of the impact assembly of the present invention; Figure 6 It is a schematic diagram of the internal structure of the material pushing mechanism of the present invention; Figure 7 It is a schematic diagram of the cutting mechanism structure of the present invention; Figure 8 It is a schematic diagram of the exploded structure of the cutting mechanism of the present invention.

[0018] In the figure: 1, processing box; 2, gear box; 21, gear; 22, pulley; 3, feed hopper; 4, crushing drum; 5, base; 6, cutting mechanism; 61, rotating drum 1; 62, rotating drum 2; 63, cutting knife; 64, push rod; 65, arc-shaped extrusion plate; 66, spring 1; 67, fixed rod; 68, wave-shaped slide; 7, crushing mechanism; 71, crushing shaft; 72, U-shaped rod; 73, crushing rod ; 74. Impact assembly; 741. Connecting rod; 742. Movable hole; 743. Impact ball; 75. Through hole; 76. Feeding hole; 77. Discharging hole; 8. Discharging mechanism; 81. Baffle one; 82. Fixed plate one; 83. Baffle two; 84. Arc rod; 85. Spring two; 9. Pushing mechanism; 91. Pushing plate; 92. Fixed plate two; 93. Movable rod; 94. Spring three; 95. Clearing plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-8 One embodiment of the present invention is: a civil engineering building construction waste treatment device, comprising a treatment box 1, and also comprising: The gear box 2 is arranged on the front and back of the processing box 1; A feed hopper 3 is installed on the top of the processing box 1 and is used to feed waste steel bars; A crushing barrel 4 is arranged inside the processing box 1; A base 5 is installed at the bottom of the processing box 1; A cutting mechanism 6 is arranged inside the processing box 1 and is used for cutting waste steel bars; A crushing mechanism 7 is arranged in the crushing drum 4 and is used to crush the waste steel bars and remove the concrete attached to the outer wall thereof; Wherein, the cutting mechanism 6 comprises: Two rotating drums 61 are rotatably connected to the inner wall of the processing box 1 through bearings; The second rotating drum 62 is sleeved on the outer wall of the first rotating drum 61 and rotates along with the first rotating drum 61; A plurality of cutting knives 63 are equally arranged in an annular shape on the outer wall of the second rotating drum 62, and the two second rotating drums 62 rotate towards each other to drive the cutting knives 63 to cut the steel bars when rotating.

[0021] The cutting mechanism 6 also includes: A plurality of push rods 64, the outer wall of which movably penetrates the rotating drum 1 61 and is connected to an arc-shaped extrusion plate 65 for extruding waste steel bars; A plurality of springs 66 are sleeved on the outer wall of the push rod 64 and are respectively connected to the arc-shaped extrusion plate 65 and the rotating drum 61 to push the arc-shaped extrusion plate 65 and the push rod 64 to move toward the center of the circle; The fixing rod 67 is arranged inside the drum 1 61, and its two ends are respectively connected to the gear box 2; A plurality of wave-shaped slide grooves 68 are provided on the outer wall of the fixing rod 67 and fit with the inner side of the push rod 64 to push the push rod 64 to move outward.

[0022] The crushing cylinder 4 is integrally arranged with the processing box 1, and two inclined guide plates are connected at the connection of the inner wall thereof; Working principle: waste steel bars are put into the feeding hopper 3 and fall onto the cutting mechanism 6. The gear box 2 drives the two rotating drums 61 to rotate directly. At the same time, the push rod 64 drives the rotating drum 62 on the outer wall of the rotating drum 1 61 to rotate, thereby synchronously driving the cutting knife 63 to rotate and achieving the purpose of cutting the steel bars into small sections, so as to facilitate the subsequent cleaning of the concrete attached to the outer wall; When the push rod 64 rotates with the rotating drum 61, it is pulled by the spring 66, and at the same time, the arc extrusion plate 65 is pulled inward. At the same time, when the push rod 645 slides on the wavy slide groove 68, the arc extrusion plate 65 is squeezed outward, so that the arc extrusion plates 65 on both sides are pushed to each other and close to squeeze the steel bars, so as to achieve the preliminary removal of concrete attached to the outer wall of the steel bars.

[0023] See also Figure 1-8 Based on the above embodiment, in another embodiment of the present invention, the crushing mechanism 7 includes: The crushing shaft 71 is mounted on the inner wall of the crushing barrel 4 and extends backward; A plurality of U-shaped rods 72 are fixedly connected to the outer wall of the crushing shaft 71; A plurality of crushing rods 73 are rotatably connected between the U-shaped rod 72 and the crushing shaft 71, and are used to crush the concrete attached to the outer wall of the steel bar when rotating; The impact assembly 74 is arranged on the outer wall of the crushing rod 73 to further crush the concrete attached to the outer wall of the steel bar; A feeding hole 76 is provided at the top of the crushing drum 4 and is used to guide the cut steel bars into the crushing drum 4 .

[0024] The crushing mechanism 7 also includes: A plurality of through holes 75 are provided at the bottom of the inner wall of the crushing cylinder 4 for separating the stripped concrete; The discharge hole 77 is provided on the outer wall of the crushing drum 4 and is used for discharging the steel bars after the concrete is stripped off.

[0025] The impact assembly 74 includes: A plurality of connecting rods 741 connected to the outer wall of the crushing rod 73; The movable hole 742 is provided on the connecting rod 741; The impact ball 743 is movably connected to the movable hole 742 of the connecting rod 741 through the connecting shaft and moves in the movable hole 742 .

[0026] Working principle: When the cut steel bars fall into the crushing drum 4, the rotating crushing shaft 71 drives the U-shaped rod 72 and the crushing rod 73 to rotate, so as to crush the cut steel bars to remove the concrete attached to the outer wall thereof. When rotating, it hits the steel bars and is moved by the steel bars. After hitting the impact rod 743, it drives the crushing rod 73 to rotate, thereby improving the crushing effect. At the same time, the crushing rod 73 can be moved in the movable hole 742 of the connecting rod 741, thereby further crushing the concrete attached to the outer wall of the steel bars to improve the separation effect.

[0027] See also Figure 1-8 On the basis of the above embodiment, in another embodiment of the present invention, the outer wall of the crushing shaft 71 is provided with a pushing mechanism 9 for pushing the crushed steel bars out along the discharge hole 77. The pushing mechanism 9 comprises: A push plate 91 is fixedly connected to the outer wall of the crushing shaft 71 and is used to push the steel bars to move; The second fixing plate 92 is installed in the groove formed in the push plate 91; Two movable rods 93, one end of which movably penetrates the second fixed plate 92, and the other end is connected to the dredging plate 95, and the dredging plate 95 is pushed to move to the side of the crushing cylinder 4 by the spring 3 94 sleeved on the outer wall of the movable rod 93; A brush is installed on one side of the dredging plate 95 for dredging the through hole 75 on the crushing cylinder 4.

[0028] A discharging mechanism 8 is provided at the discharging hole 77 to assist the discharging of the steel bars. The discharging mechanism 8 comprises: Baffle plate 1 81 and baffle plate 2 83 are both movably connected in the chute provided in the crushing cylinder 4; A fixed plate 82, fixedly connected in the slide groove; A plurality of arc rods 84 are respectively connected between baffle plate 1 81 and baffle plate 2 83 , and a spring 2 85 is sleeved on the outer wall of the arc rod 84 and connected between the fixed plate 1 82 and baffle plate 1 81 , so as to push baffle plate 1 81 downward to cover the discharge hole 77 .

[0029] Gears 21 are respectively installed on the back of the two rotating drums 61, and are meshed with the transmission gears in the gear box 2 to drive the two rotating drums 61 to rotate towards each other. A pulley 22 is installed on the outer wall of the right rotating drum 61, and is connected to the crushing shaft 71 through a pulley group.

[0030] Working principle: When crushing, the push plate 91 that rotates synchronously with the crushing shaft 71 pushes the baffle plate 1 81 upwards, and the separated steel bars in the crushing cylinder 4 can be pushed out by the rotating push plate 91. At the same time, the baffle plate 2 83 can be pushed to the discharge hole 76 for blocking, so as to isolate the steel bars and concrete that continue to fall from above, so as to realize that the separated steel bars are pushed through the discharge hole 77 for discharge, and the concrete falls along the through hole 75; At the same time, during the normal crushing process, the push plate 92 and the U-shaped rod 72 rotate with the rotation, and will move and dredge the through hole 75 to promote the concrete to fall through the through hole 75, and the bristles on the dredging plate 95 will push the dredging plate 95 to move through the spring three 94, and penetrate into the through hole 75 to achieve the function of dredging the through hole 75, prevent blockage, and affect the discharge of the separated concrete.

[0031] The present invention provides a device for treating waste from building construction in civil engineering. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A civil engineering building construction waste treatment device, comprising a treatment box (1), characterized in that: Also includes: Gear boxes (2) are arranged on the front and back sides of the processing box (1); A feed hopper (3) installed on the top of the processing box (1) and used for feeding waste steel bars; A crushing cylinder (4) is arranged inside the processing box (1); A base (5) mounted on the bottom of the processing box (1); A cutting mechanism (6) is arranged inside the processing box (1) and is used for cutting waste steel bars; A crushing mechanism (7) is arranged in the crushing cylinder (4) and is used to crush the discarded steel bars and remove concrete attached to their outer walls; Wherein, the cutting mechanism (6) comprises: Two rotating drums (61) are rotatably connected to the inner wall of the processing box (1) via bearings; The second rotating drum (62) is sleeved on the outer wall of the first rotating drum (61) and rotates along with the first rotating drum (61); A plurality of cutting knives (63) are arranged in an annular manner and are equally divided on the outer wall of the second rotating drum (62), and the two second rotating drums (62) rotate towards each other to drive the cutting knives (63) to cut the steel bars when rotating.

2. A civil engineering building construction waste treatment device according to claim 1, characterized in that: The cutting mechanism (6) further comprises: A plurality of push rods (64), the outer wall of which movably passes through the first rotating drum (61) and is connected to an arc-shaped extrusion plate (65) for extruding waste steel bars; A plurality of springs (66) are sleeved on the outer wall of the push rod (64) and are respectively connected to the arc-shaped extrusion plate (65) and the rotating drum (61) to push the arc-shaped extrusion plate (65) and the push rod (64) to move toward the center of the circle; A fixing rod (67) is arranged inside the first rotating drum (61), and its two ends are respectively connected to the gear box (2); A plurality of wave-shaped sliding grooves (68) are provided on the outer wall of the fixing rod (67) and are fitted with the inner side of the push rod (64) to push the push rod (64) to move outward.

3. A civil engineering building construction waste treatment device according to claim 2, characterized in that: The crushing cylinder (4) is integrally arranged with the processing box (1), and two inclined material guide plates are connected at the connection of the inner walls thereof; The crushing mechanism (7) comprises: A crushing shaft (71) is mounted on the inner wall of the crushing barrel (4) and extends backward; A plurality of U-shaped rods (72) fixedly connected to the outer wall of the crushing shaft (71); A plurality of crushing rods (73) are rotatably connected between the U-shaped rod (72) and the crushing shaft (71) and are used to crush concrete attached to the outer wall of the steel bar when rotating; An impact assembly (74) is arranged on the outer wall of the crushing rod (73) to further crush the concrete attached to the outer wall of the steel bar; A feeding hole (76) is provided at the top of the crushing drum (4) and is used to guide the cut steel bars into the crushing drum (4).

4. A civil engineering building construction waste treatment device according to claim 3, characterized in that: The crushing mechanism (7) further comprises: A plurality of through holes (75) are provided at the bottom of the inner wall of the crushing cylinder (4) and are used to separate the peeled concrete; A discharge hole (77) is provided on the outer wall of the crushing cylinder (4) and is used to discharge the steel bars after the concrete is stripped off.

5. A civil engineering building construction waste treatment device according to claim 4, characterized in that: The impact assembly (74) comprises: A plurality of connecting rods (741) connected to the outer wall of the crushing rod (73); A movable hole (742) is formed on the connecting rod (741); The impact ball (743) is movably connected to the movable hole (742) of the connecting rod (741) via a connecting shaft and moves in the movable hole (742).

6. A civil engineering building construction waste treatment device according to claim 5, characterized in that: The outer wall of the crushing shaft (71) is provided with a pushing mechanism (9) for pushing the crushed steel bars out along the discharge hole (77), wherein the pushing mechanism (9) comprises: A push plate (91) fixedly connected to the outer wall of the crushing shaft (71) and used to push the steel bars to move; A second fixing plate (92) is installed in a groove formed in the pushing plate (91); Two movable rods (93), one end of which movably passes through the second fixed plate (92), and the other end of which is connected to a dredging plate (95), and a spring third (94) sleeved on the outer wall of the movable rod (93) pushes the dredging plate (95) to move toward one side of the crushing cylinder (4); A brush is mounted on one side of the dredging plate (95) for dredging the through hole (75) on the crushing cylinder (4).

7. A civil engineering building construction waste treatment device according to claim 6, characterized in that: The discharge hole (77) is provided with a discharge mechanism (8) to assist in the discharge of the steel bars, and the discharge mechanism (8) comprises: Baffle plate 1 (81) and baffle plate 2 (83) are both movably connected in a chute provided in the crushing barrel (4); A fixing plate (82) fixedly connected in the slide groove; A plurality of arc-shaped rods (84) are respectively connected between baffle plate 1 (81) and baffle plate 2 (83), and a spring 2 (85) is sleeved on the outer wall of the arc-shaped rod (84) and connected between fixed plate 1 (82) and baffle plate 1 (81) to push baffle plate 1 (81) downward to cover the discharge hole (77).

8. The device for treating waste from civil engineering and building construction according to claim 7, characterized in that: Gears (21) are respectively installed on the backs of the two rotating drums (61) and mesh with the transmission gears in the gear box (2) to drive the two rotating drums (61) to rotate towards each other. A pulley (22) is installed on the outer wall of the rotating drum (61) on the right side and is connected to the crushing shaft (71) through a pulley group.

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