Circulating crusher for construction waste

Abstract

The invention relates to the field of crushing, in particular to a circulating crusher for construction waste. The invention provides a construction waste circulating crusher which comprises a shell, a discharging hopper, crushing rollers and a gear box, the discharging hopper inclining towards the interior of the shell is arranged on the shell, the crushing rollers are symmetrically arranged in the shell, the gear box used for transmission is arranged between the two crushing rollers, and the construction waste circulating crusher further comprises a screening assembly and the like. A screening assembly used for screening the crushed building waste is arranged in the shell. A sieve plate is arranged below the crushing roller, crushed building waste is sieved through the sieve plate, so that the crushing effect of the building waste is ensured, a gear box rotates to drive an ejector rod I to eject a connecting rod, and therefore the connecting rod drives the sieve plate to shake up and down; therefore, the screening efficiency of the screening plate on the construction waste is improved, the situation of accumulation on the screening plate is prevented, and the smoothness of the screening plate is ensured.

Description

Technical Field

[0001] The present invention relates to the field of crushing, and particularly to a cyclic crusher for construction waste. Background Art

[0002] Construction waste generally refers to solid waste generated during the construction, reconstruction, expansion or demolition of buildings, including waste such as concrete, bricks, sand and gravel, and muck. A large number of materials in construction waste can be recycled. Therefore, the current treatment method for construction waste is generally to first crush and then recycle.

[0003] According to the Chinese patent disclosure document with the patent publication number CN110479411A, a mobile construction waste crushing device is proposed, which includes a garbage disposal barrel, a residual gear rotatably arranged inside the garbage disposal barrel, a stamping mechanism connected to the residual gear, a traveling mechanism connected to the side wall of the residual gear through a first transmission member, and a material receiving mechanism arranged at the front of the garbage disposal barrel. The garbage disposal barrel is fixedly connected to the vehicle board.

[0004] Although the above patent can crush construction waste, in actual use, when the patent crushes construction waste by means of a crushing plate, jamming or omission may occur, resulting in incomplete crushing of construction waste and affecting the subsequent recycling of construction waste. Summary of the Invention

[0005] In order to overcome the drawback that the existing device is prone to omission when crushing construction waste, resulting in incomplete crushing, the present invention provides a cyclic crusher for construction waste to solve the above problems.

[0006] The technical implementation solution of the present invention is: A cyclic crusher for construction waste includes a housing, a feeding hopper, crushing rollers and a gear box. A feeding hopper inclined towards the inside is arranged on the housing. Crushing rollers are symmetrically arranged inside the housing. A gear box for transmission is arranged between the two crushing rollers. It further includes a screening assembly and a shaking assembly. A screening assembly for screening the crushed construction waste is arranged inside the housing. The screening assembly includes a sieve plate, guide blocks and return springs. Guide blocks are symmetrically and fixedly installed inside the housing. A sieve plate that can slide along them is arranged between the two guide blocks. The sieve plate is located below the two crushing rollers. Return springs are respectively arranged between the sieve plate and the two guide blocks. A shaking assembly for making the sieve plate shake is arranged on the housing. The shaking assembly includes a first ejector rod, connecting gears and connecting rods. Rotatable first ejector rods are arranged on the sides of the two gear boxes away from each other. Connecting gears are respectively arranged at the ends of the two first ejector rods close to each other. The two connecting gears are respectively meshed with the gears inside the gear box. Connecting rods that penetrate through the housing and can slide along it are symmetrically arranged on the sieve plate. When the two first ejector rods rotate, they will abut against the connecting rods on the same side.

[0007] Optionally, a material leakage hole is formed in the outer shell, and the sieve plate is arranged to incline towards the material leakage hole.

[0008] Optionally, the ejector rod I is in the shape of a cross.

[0009] Optionally, both connecting rods are triangular in shape.

[0010] Optionally, a material guiding plate is further included. In the upper left and right of the inner part of the outer shell, there are symmetrically arranged material guiding plates in an inverted V shape, and the two material guiding plates are located above the crushing rollers.

[0011] Optionally, a circulating assembly is further included. There is a circulating assembly on the outer shell for pouring the construction waste screened out by the sieve plate back to the crushing rollers. The circulating assembly includes a mounting frame, a chain tooth lifter, and a receiving box. The mounting frames are symmetrically and fixedly installed on the outer shell. A chain tooth lifter is arranged between the two mounting frames. A plurality of receiving boxes are rotatably arranged on the chain tooth lifter. When the chain tooth lifter moves, the receiving boxes will successively align with the material leakage holes of the outer shell.

[0012] Optionally, a material guiding frame is further included. A material guiding frame is fixedly installed on the feeding hopper.

[0013] Optionally, a feeding assembly is further included. There is a feeding assembly on the feeding hopper for flipping the receiving box. The feeding assembly includes an ejector rod II, a connecting block, a torsion spring, a wedge-shaped block, and a return spring. The ejector rods II are symmetrically and fixedly installed on the feeding hopper. Connecting blocks are symmetrically and fixedly installed on each receiving box respectively. The connecting blocks are rotatably connected to the chain tooth lifter, and torsion springs are respectively arranged between the connecting blocks and the chain tooth lifter. Wedge-shaped blocks are respectively slidably installed at the mutually remote ends of the two connecting blocks on the same receiving box. When the chain tooth lifter moves, the wedge-shaped blocks will abut against the ejector rods II on the same side, and return springs are respectively arranged between the wedge-shaped blocks and the corresponding connecting blocks.

[0014] Optionally, inclined surfaces facing right downward are respectively arranged on the two ejector rods II.

[0015] Optionally, a material blocking plate is further included. A material blocking plate is fixedly installed between the two mounting frames.

[0016] The present invention has the following advantages: 1. By arranging a sieve plate under the crushing rollers, the present invention screens the crushed building waste through the sieve plate to ensure the crushing effect of the building waste, and drives the ejector rod I to push the connecting rod when the gear box rotates, thereby driving the sieve plate to vibrate up and down through the connecting rod, so as to improve the screening efficiency of the sieve plate for the building waste, prevent accumulation on the sieve plate, and further ensure the smoothness at the sieve plate.

[0017] 2. The present invention drives the receiving box through a tooth chain lifter to receive the construction waste that has not passed through the sieve plate, and uses the receiving box to pour the construction waste back to the crushing roller for re-rolling and crushing, so as to ensure the crushing effect of the construction waste and thus reduce the difficulty of sorting the construction waste in the later stage.

[0018] 3. The present invention pushes the corresponding wedge block through the ejector rod II, so that the connecting block drives the receiving box to turn at the material guiding frame, and thus pours the construction waste in the receiving box back into the hopper along the material guiding frame, so as to realize the function of automatic dumping, thereby improving the automation degree of the device and reducing the labor intensity of workers.

[0019] 4. The present invention blocks the soil and other impurities falling from the receiving box through the baffle plate, so as to prevent the situation of injuring people, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the whole of the present invention.

[0021] Figure 2 It is a schematic cross-sectional structural diagram of the whole of the present invention.

[0022] Figure 3 It is a schematic partial cross-sectional structural diagram of the present invention.

[0023] Figure 4 It is a schematic structural diagram of the screening component of the present invention.

[0024] Figure 5 It is a schematic structural diagram of the shaking component of the present invention.

[0025] Figure 6 It is a schematic cross-sectional structural diagram of the shaking component of the present invention.

[0026] Figure 7 It is a schematic structural diagram of the circulation component of the present invention.

[0027] Figure 8 It is a schematic structural diagram of the circulation component of the present invention with the mounting frame hidden.

[0028] Figure 9 It is a schematic structural diagram of the feeding component of the present invention.

[0029] Figure 10 It is a schematic partial structural diagram of the feeding component of the present invention.

[0030] Figure 11 It is a schematic cross-sectional structural diagram of the connecting block in the feeding component of the present invention.

[0031] Meanings of the reference numerals in the drawings: 1: housing; 2: blanking hopper; 201: material guide plate; 3: crushing roller; 4: gear box; 501: sieve plate; 502: guiding block; 503: return spring; 601: ejector rod I; 602: connecting gear; 603: connecting rod; 701: mounting bracket; 702: chain-lifting device; 703: receiving box; 8: material guide frame; 901: ejector rod II; 902: connecting block; 903: torsion spring; 904: wedge-shaped block; 905: reset spring; 10: baffle plate. Detailed implementation manners

[0032] To make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings. It is hereby declared that the upper, lower, left, right, front, rear, inner, outer and other orientation terms that appear or will appear in the text of the present invention are only based on the drawings of the present invention, and they do not specifically limit the present invention.

[0033] Embodiment 1: A cyclic crusher for construction waste, refer to Figures 1-6As shown in the figure, it includes a housing 1, a blanking hopper 2, crushing rollers 3 and a gear box 4. A material leakage hole is opened in the middle of the left side of the housing 1. A blanking hopper 2 inclined towards its interior is provided on the top surface of the housing 1. Crushing rollers 3 are symmetrically arranged on the left and right in the middle of the housing 1. Gear boxes 4 for transmission are respectively provided between the front and rear ends of the two crushing rollers 3. The left crushing roller 3 drives the right crushing roller 3 to rotate through the gear box 4. When the crushing rollers 3 rotate, they will crush the construction waste. It also includes a screening component and a shaking component. A screening component for screening the crushed construction waste is provided in the middle of the housing 1. The screening component includes a sieve plate 501, guide blocks 502 and return springs 503. Guide blocks 502 are symmetrically installed on the front and rear in the middle of the housing 1 through bolts. A sieve plate 501 that can slide up and down along them is provided between the two guide blocks 502. The sieve plate 501 is inclined towards the material leakage hole. The sieve plate 501 is located directly below the two crushing rollers 3. The construction waste that does not pass through the sieve plate 501 will be discharged from the material leakage hole along the inclined surface of the sieve plate 501. Return springs 503 are respectively provided between the sieve plate 501 and the two guide blocks 502. A shaking component for shaking the sieve plate 501 is provided on the housing 1. The shaking component includes a top rod I 601, a connecting gear 602 and a connecting rod 603. Rotatable top rods I 601 are provided at the centers of the mutually remote sides of the two gear boxes 4. The top rods I 601 are in the shape of a cross. Connecting gears 602 are respectively provided at the mutually approaching ends of the two top rods I 601. The two connecting gears 602 are respectively meshed with the gears on the right side in the gear boxes 4. When the gear boxes 4 rotate, they will drive the top rods I 601 to rotate synchronously through the corresponding connecting gears 602. Connecting rods 603 that penetrate through the housing 1 and can slide up and down along it are symmetrically arranged on the front and rear of the sieve plate 501. The upper ends of the two connecting rods 603 are both in the shape of an isosceles triangle. When the two top rods I 601 rotate, they will abut against the connecting rods 603 on the same side. When the top rods I 601 rotate, they will push the corresponding connecting rods 603 to move downward.

[0034] Reference Figure 2 and Figure 3 As shown in the figure, it also includes a guide plate 201. Inverted V-shaped guide plates 201 are symmetrically installed on the left and right in the upper part of the housing 1 through bolts. The two guide plates 201 are located above the crushing rollers 3. The two guide plates 201 will guide the construction waste poured into the blanking hopper 2.

[0035] When it is necessary to crush construction waste, first pour the construction waste to be crushed from the feeding hopper 2. The poured construction waste will fall between the two crushing rolls 3 along the guide of the guide plate 201. Then start the crushing rolls 3. The left crushing roll 3 will rotate clockwise, and at the same time, the left crushing roll 3 will drive the right crushing roll 3 to rotate counterclockwise through the gear box 4, so as to start rolling and crushing the construction waste. The crushing rolls 3 will crush the original large pieces of construction waste into small pieces that are conducive to recycling. The crushed construction waste will fall on the sieve plate 501. The sieve plate 501 will screen the crushed construction waste. The construction waste that can pass through the sieve plate 501 indicates that it has reached the recycling standard, and the construction waste that cannot pass through the sieve plate 501 will be discharged outward from the leakage hole on the left side of the housing 1 along the inclined surface of the sieve plate 501. During this period, as the gears in the gear box 4 rotate, the right gear in the gear box 4 will drive the corresponding ejector rod I 601 to rotate through the connecting gear 602 meshing with it. As the ejector rod I 601 rotates, the ejector rod I 601 will push the connecting rod 603 on the same side to move downward. The two connecting rods 603 will drive the sieve plate 501 to move downward along the guide block 502, and the return spring 503 will be compressed. When the ejector rod I 601 is not in contact with the connecting rod 603, the return spring 503 will reset and drive the sieve plate 501 to move upward along the guide block 502, so as to cycle and make the sieve plate 501 reciprocate up and down, thereby improving the screening efficiency of the sieve plate 501 for construction waste, preventing the construction waste from accumulating at the sieve plate 501, and ensuring the smoothness of the screening of the crushed construction waste by the sieve plate 501.

[0036] Embodiment 2: On the basis of Embodiment 1, referring to Figure 1 , Figure 2 , Figure 7 and Figure 8 as shown, it further includes a circulation component. A circulation component for re-pouring the construction waste screened out by the sieve plate 501 to the crushing rolls 3 is provided on the left surface of the housing 1. The circulation component includes a mounting frame 701, a chain hoister 702 and a receiving box 703. The mounting frames 701 are symmetrically installed on the front and rear of the left surface of the housing 1 by bolts. A chain hoister 702 is provided between the two mounting frames 701. A number of receiving boxes 703 are rotatably provided on the chain hoister 702 along the circumferential direction. When the chain hoister 702 moves, the receiving boxes 703 will sequentially align with the leakage holes of the housing 1, and the construction waste discharged from the leakage holes of the housing 1 will fall into the receiving boxes 703.

[0037] Referring to Figure 1 , Figure 2 , Figure 7 and Figure 8 as shown, it further includes a guide frame 8. The guide frame 8 is installed on the left surface of the feeding hopper 2 by bolts, and the guide frame 8 will guide the construction waste.

[0038] Reference Figure 2 、 Figure 9 、 Figure 10 and Figure 11 As shown in , , , , , , it further includes a blanking assembly. There is a blanking assembly on the blanking hopper 2 for flipping the receiving box 703. The blanking assembly includes a push rod II 901, a connecting block 902, a torsion spring 903, a wedge block 904, and a return spring 905. The left part of the blanking hopper 2 is symmetrically welded with push rods II 901 at the front and back. The right ends of the two push rods II 901 are respectively provided with inclined surfaces facing right downward. Each receiving box 703 is symmetrically installed with connecting blocks 902 at the front and back through bolts. The connecting block 902 is rotatably connected to the chain lifter 702, and a torsion spring 903 is respectively provided between the connecting block 902 and the chain lifter 702. One end of the two connecting blocks 902 on the same receiving box 703 that are away from each other is respectively slidably installed with a wedge block 904. When the chain lifter 702 moves, the wedge block 904 will abut against the push rod II 901 on the same side. The inclined surface of the push rod II 901 will push the connecting block 902 that is reversely connected through the wedge block 904 to flip. A return spring 905 is respectively provided between the wedge block 904 and the corresponding connecting block 902.

[0039] Reference Figure 1 、 Figure 2 and Figure 9 As shown in , , , , , it further includes a baffle 10. The baffle 10 is installed between the left surfaces of the two mounting frames 701 through bolts. The baffle 10 will block the soil and other impurities falling from the receiving box 703.

[0040] When starting to crush construction waste, the tooth chain lifter 702 is started. The tooth chain lifter 702 will rotate counterclockwise, thereby driving the receiving box 703 located on the right side of the tooth chain lifter 702 to move upward parallel to the material leakage hole of the housing 1, so as to receive the construction waste discharged from the material leakage hole of the housing 1 through the receiving box 703. Then, with the rotation of the tooth chain lifter 702, the receiving box 703 will move upward synchronously. When the wedge block 904 abuts against the corresponding ejector rod II 901, the inclined surface of the ejector rod II 901 will push the wedge block 904 to flip clockwise, thereby driving the receiving box 703 to flip synchronously through the corresponding two connecting blocks 902. The torsion spring 903 will deform, so as to pour the construction waste received in the receiving box 703 back into the feeding hopper 2 along the material guiding frame 8, enabling the construction waste to be crushed and rolled again by the crushing roller 3, thus ensuring the crushing quality of the construction waste and reducing the difficulty of sorting the construction waste in the later stage. At this time, the inclined surfaces of the two wedge blocks 904 will contact the corresponding ejector rods II 901. As the corresponding receiving box 703 continues to move upward, the ejector rod II 901 will push the corresponding wedge block 904 to move into the connecting block 902, and the return spring 905 will be compressed, so that the receiving box 703 can pass through the two ejector rods II 901. After passing through, the torsion spring 903 will reset to drive the connecting block 902 and the receiving box 703 back to the initial state, and the two wedge blocks 904 will also pop out again under the reset of the return spring 905, so as to complete the feeding of the construction waste in one receiving box 703. When the receiving box 703 moves to the left side of the tooth chain lifter 702, the receiving box 703 will face downward. If there are still impurities such as muck remaining in the receiving box 703, the baffle plate 10 will block the impurities such as muck falling from the receiving box 703, thereby preventing the situation of injuring people and improving the safety of the device.

[0041] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A construction waste recycling crusher, comprising a housing (1), a lower hopper (2), crushing rollers (3) and a gear box (4), wherein the housing (1) is provided with a lower hopper (2) inclined toward the interior thereof, the housing (1) is provided with crushing rollers (3) symmetrically arranged inside the housing (1), and a gear box (4) for transmission is arranged between the two crushing rollers (3), wherein the characteristics are: The invention also comprises a screening component and a shaking component. The outer shell (1) is provided with a screening component for screening the crushed construction waste. The screening component comprises a screening plate (501), a guide block (502) and a return spring (503). The guide blocks (502) are symmetrically fixedly installed in the outer shell (1). A screening plate (501) that can slide along the two guide blocks (502) is provided between the two guide blocks (502). The screening plate (501) is located below the two crushing rollers (3). A return spring (503) is provided between the screening plate (501) and the two guide blocks (502). The outer shell (1) is provided with a spring for making the screening plate (501) slide. 1) A shaking assembly that shakes, the shaking assembly comprising a push rod I (601), a connecting gear (602) and a connecting rod (603), a rotatable push rod I (601) being provided on the side of the two gear boxes (4) that are away from each other, and connecting gears (602) being provided on the ends of the two push rods I (601) that are close to each other, respectively, the two connecting gears (602) being meshed with gears in the gear box (4), and connecting rods (603) being symmetrically provided on the sieve plate (501) that penetrate the outer shell (1) and can slide along the outer shell, and the two push rods I (601) will abut against the connecting rod (603) on the same side when they rotate.

2. A construction waste recycling crusher according to claim 1, characterized in that: A material leakage hole is formed on the outer shell (1), and the screen plate (501) is arranged to be inclined in the direction of the material leakage hole.

3. A construction waste recycling crusher according to claim 2, characterized in that: The top rod I (601) is in the shape of a cross.

4. A construction waste recycling crusher according to claim 3, characterized in that: The two connecting rods (603) are both triangular in shape.

5. A construction waste recycling crusher according to claim 4, characterized in that: It also includes a material guide plate (201), and the material guide plate (201) in the shape of an inverted figure eight is symmetrically arranged in the outer shell (1).

6. A construction waste recycling crusher according to claim 5, characterized in that: The invention also includes a circulation component. The outer shell (1) is provided with a circulation component for pouring the construction waste screened out by the screen plate (501) back to the crushing roller (3). The circulation component includes a mounting frame (701), a toothed chain lifter (702) and a receiving box (703). The mounting frames (701) are symmetrically fixedly mounted on the outer shell (1). A toothed chain lifter (702) is provided between the two mounting frames (701). A plurality of receiving boxes (703) are rotatably provided on the toothed chain lifter (702). When the toothed chain lifter (702) moves, the receiving boxes (703) will be aligned with the leakage holes of the outer shell (1) in sequence.

7. A construction waste recycling crusher according to claim 6, characterized in that: It also includes a material guide frame (8), and the material guide frame (8) is fixedly mounted on the lower hopper (2).

8. A construction waste recycling crusher according to claim 7, characterized in that: The invention also includes a material discharge assembly, wherein the material discharge hopper (2) is provided with a material discharge assembly for turning over the receiving box (703), and the material discharge assembly includes a push rod II (901), a connecting block (902), a torsion spring (903), a wedge block (904) and a return spring (905). The push rod II (901) is symmetrically fixedly installed on the material discharge hopper (2), and each receiving box (703) is symmetrically fixedly installed with a connecting block (902). The connecting block (902) and the toothed chain lifter (702) are connected to each other. ) are rotatably connected, and torsion springs (903) are respectively provided between the connecting blocks (902) and the toothed chain lifter (702), and wedge blocks (904) are respectively slidably installed at the ends of the two connecting blocks (902) on the same receiving box (703) that are away from each other. When the toothed chain lifter (702) moves, the wedge blocks (904) will abut against the top rod II (901) on the same side, and return springs (905) are respectively provided between the wedge blocks (904) and the corresponding connecting blocks (902).

9. A construction waste recycling crusher according to claim 8, characterized in that: The two push rods II (901) are respectively provided with inclined surfaces facing right downward.

10. A construction waste recycling crusher according to claim 9, characterized in that: It also includes a material blocking plate (10), which is fixedly mounted between the two mounting frames (701).

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