Construction waste crusher

Abstract

The utility model relates to a construction waste crusher which comprises a crushing box body, a crushing device and a crushing device, the crushing mechanism is assembled in the crushing box body; the driving mechanism is mounted on the crushing box body, and the driving mechanism is connected with the crushing mechanism; and the screening roller is arranged on the outer side of the crushing mechanism in a sleeving mode, the screening roller can rotate relative to the crushing box body, the screening roller is provided with an opening and closing door capable of being opened and closed, and a hanging plate is arranged on the inner side wall of the screening roller. The screening roller is arranged on the outer side of the crushing mechanism in a sleeving mode and can rotate relative to the crushing box body, so that construction waste which is not completely crushed by the crushing mechanism can be brought to the crushing mechanism by the screening roller to be crushed again, the construction waste is completely crushed, the crushing efficiency is high, and the construction waste crushing efficiency is high. Belongs to the technical field of building equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a construction waste crusher. Background Art

[0002] The construction waste crusher is a kind of equipment specially used for processing construction waste. The structure of the existing construction waste crushing device includes a box body and a material bin. The top of the box body is provided with a feeding port for inputting concrete fragments. A group of crushing wheels are installed on the inner wall of the box body for crushing the input concrete. The left end of the crushing wheel is connected to the first motor for driving the crushing wheel to rotate. A collecting plate is also provided on the inner wall of the box body. The collecting plate can collect the crushed concrete fragments. A discharge port is provided at the bottom end of the collecting plate to facilitate the discharge of the crushed concrete fragments. A fixed plate is installed at the bottom end of the discharge port for supporting and fixing the discharge port. The material bin is arranged below the fixed plate and is connected to the load-bearing rod through a sliding mechanism. Load-bearing frames are installed at both ends of the load-bearing rod for supporting and stabilizing the entire device.

[0003] During the use of the above-mentioned existing construction waste crusher, the construction waste is easily not completely crushed, and the incompletely crushed construction waste needs to be collected by a collecting plate and then put back into the construction waste crusher for crushing, which is inefficient. Utility Model Content

[0004] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide a construction waste crusher to solve the problem that the existing construction waste crushers do not crush the construction waste thoroughly enough, resulting in low crushing efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A construction waste crusher comprises: a crushing box body, the crushing box body is provided with a feed port and a discharge port; a crushing mechanism, the crushing mechanism is assembled in the crushing box body; a driving mechanism, the driving mechanism is installed on the crushing box body, and the driving mechanism is connected to the crushing mechanism; a screening drum, the screening drum is sleeved on the outside of the crushing mechanism, the screening drum can rotate relative to the crushing box body, the screening drum is provided with an opening and closing door, and the inner side wall of the screening drum is provided with a hanging plate.

[0007] As a preference, the screening drum is connected to the crushing mechanism via a transmission assembly.

[0008] As a preferred embodiment, the transmission assembly includes a first transmission gear set, a rack is provided on the inner wall of the screening drum, the first transmission gear set is connected to the crushing mechanism, and the first transmission gear set is meshed with the rack for transmission.

[0009] As a preferred embodiment, bearings are sleeved on both end edges of the screening drum, and the outer rings of the two bearings are connected to the inner wall of the crushing box.

[0010] As a preferred embodiment, the crushing mechanism includes a first roller and a second roller, which are arranged side by side in a crushing box, and are both rotatably connected to the crushing box. The first roller and the second roller are both provided with crushing blocks, and the crushing blocks on the first roller are staggered with those on the second roller; the first roller is connected to a driving mechanism, and the first roller and the second roller are driven by a second transmission gear set, and the first transmission gear set is meshed with the second transmission gear set.

[0011] Preferably, the second transmission gear set includes a second driving gear and a second driven gear, the second driving gear and the second driven gear are respectively sleeved on the first roller and the second roller, the second driving gear and the second driven gear are meshed, and the second driving gear and the second driven gear are both meshed with the first transmission gear set.

[0012] As a preferred embodiment, it also includes two wiping steel brushes, both of which are located on the inner side of the screening drum, both of which are rotatably connected to the crushing box, and the two wiping steel brushes are in contact with the first rotating roller and the second rotating roller respectively.

[0013] As a preference, the first transmission gear set includes a first driving gear and a first driven gear, the number of the first driven gears is two, the two first driven gears are respectively sleeved on two wiping steel brushes, and the two first driven gears are respectively meshed with the second driving gear and the second driven gear; the number of the first driving gears is two, the number of the racks is two, the two racks are both arranged on the inner side wall of the screening drum, the two first driving gears are both sleeved on a wiping steel brush, and the two first driving gears are respectively meshed with the two racks.

[0014] In general, the utility model has the following advantages:

[0015] 1. The construction waste crusher of the utility model, through the arrangement of the driving mechanism, the screening drum and other structures, places the construction waste to be crushed inside the screening drum through the opening and closing door, then closes the opening and closing door, turns on the driving mechanism, starts the driving mechanism to start crushing the construction waste, the screening drum screens and discharges the crushed construction waste, and the hanging plate sends the incompletely crushed construction waste to the crushing circle for further crushing, thereby improving its crushing efficiency.

[0016] 2. The construction waste crusher of the utility model is provided with a wiping steel brush. During the crushing process, the wiping steel brush wipes off the construction waste adhered to the first roller and the second roller, without stopping the machine for manual processing, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a construction waste crusher;

[0018] Figure 2 A three-dimensional diagram of a construction waste crusher without a crushing box;

[0019] Figure 3 A schematic diagram of the assembly of the crushing mechanism and the driving mechanism;

[0020] Figure 4 is a schematic diagram of a screening drum;

[0021] In the figure: 1. crushing mechanism; 11. crushing box; 111. discharge port; 112. feed port; 12. driving mechanism; 121. rotating shaft; 122. first roller; 123. crushing block; 124. second driven gear; 125. second roller; 126. second driving gear; 13. follower shaft; 131. wiping steel brush; 132. first driven gear; 133. first driving gear; 14. screening drum; 141. rack; 142. bearing; 143. hanging plate; 144. opening and closing door. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with specific implementation methods.

[0023] See also Figure 1-4 The present embodiment provides a construction waste crusher, comprising a crushing mechanism 1 and a crushing box 11. The crushing mechanism 1 is driven by a driving mechanism 12. The driving mechanism 12 is installed on one side of the crushing box 11. The driving mechanism 12 can be an existing rotating motor. The crushing box 11 is provided with a feed port 112 and a discharge port 111. The feed port 112 is located at the top of the crushing box 11, and the discharge port 111 is located at the bottom of the crushing box 11. The feed port 112 is used to put construction waste into the crushing box 11, and the discharge port 111 is used to discharge the crushed construction waste from the crushing box 11.

[0024] A screening drum 14 is installed in the crushing box 11, and the screening drum 14 is sleeved on the outside of the crushing mechanism 1. The screening drum 14 can rotate relative to the crushing box 11. The screening drum 14 is provided with an opening and closing door 144 that can be opened and closed, and the inner wall of the screening drum 14 is provided with a hanging plate 143. The screening drum 14 is connected to the crushing mechanism 1 through a transmission assembly. Exemplarily, the transmission assembly can be a belt and a pulley (belt transmission assembly), and the transmission assembly can also be a gear set (spur gear set or spur gear-helical gear or helical gear set).

[0025] The transmission assembly of this embodiment is specifically as follows: the transmission assembly includes a first transmission gear set, a rack 141 is provided on the inner side wall of the screening drum 14, the first transmission gear set is connected to the crushing mechanism 1, and the first transmission gear set is meshed with the rack 141 for transmission. Through the above-mentioned first transmission gear set, the driving mechanism 12 can be used to drive the crushing mechanism 1 to operate while also driving the first gear set to transmit to the screening drum 14, so that the screening drum 14 and the crushing mechanism 1 can be synchronously operated without setting multiple drives.

[0026] The two end edges of the screening drum 14 are sleeved with bearings 142, and the outer rings of the two bearings 142 are connected to the inner wall of the crushing box 11. In order to facilitate the rotation of the screening drum 14 relative to the crushing box 11, the screening drum 14 can rotate smoothly in the crushing box 11 through two bearings 142 adapted to the screening drum 14.

[0027] The screening drum 14 is a cylindrical structure, and the opening and closing door 144 is an arc-shaped plate opened on the side wall of the screening drum 14, which is connected to the side wall of the screening drum 14 by hinges or snap fit. When placing construction waste into the crushing box 11, the opening and closing door 144 needs to be opened first, and then the opening and closing door 144 is closed after all the construction waste is poured into the screening drum 14 from the opening of the opening and closing door 144. The hanging plate 143 is used to limit the construction waste that is not completely crushed and cannot pass through the sieve holes of the screening drum 14. As the screening drum 14 rotates in the crushing box 11, the construction waste at the bottom of the screening drum 14 is brought to the top of the crushing mechanism 1, and the hanging plate 143 is used to limit the construction waste from rolling down from a high place to the bottom of the screening drum 14 due to its own gravity during the rotation process.

[0028] Two symmetrically arranged rotating shafts 121 and two symmetrically arranged follower shafts 13 are rotatably installed inside the crushing box 11, one end of one rotating shaft 121 is connected to the output end of the driving mechanism 12 through a coupling, and the outer circumferences of the two rotating shafts 121 are respectively fixedly sleeved with a first roller 122 and a second roller 125, the first roller 122 and the second roller 125 are distributed side by side in the crushing box 11, and the first roller 122 and the second roller 125 rotate relative to the crushing box 11 along with the rotating shaft 121; the first roller 122 and the second roller 125 are driven by the second transmission gear set, and the first transmission gear set is meshed with the second transmission gear set. The second transmission gear set includes a second driving gear 126 and a second driven gear 124. The second driving gear 126 and the second driven gear 124 are respectively sleeved on the two rotating shafts 121 that drive the first roller 122 and the second roller 125 to rotate. The second driving gear 126 and the second driven gear 124 are meshed. The second driving gear 126 and the second driven gear 124 are both meshed with the first transmission gear set. When the driving mechanism 12 drives the rotating shaft 121 to rotate and drive the first roller 122 to rotate, the second driving gear 126 rotates to drive the second driven gear 124 to rotate, so that the second roller 125 also rotates with the second driven gear 124.

[0029] A plurality of circumferentially evenly distributed crushing blocks 123 are fixedly sleeved on the outer circumference of the rotating roller, and a wiping steel brush 131 is fixedly sleeved on the outer circumference of the follower shaft 13. The two wiping steel brushes 131 are both located on the inner side of the screening drum 14. The two wiping steel brushes 131 are rotatably connected with the crushing box 11 along with the follower shaft 13, and the two wiping steel brushes 131 are in contact with the first rotating roller 122 and the second rotating roller 125 respectively. The first transmission gear set includes a first driving gear 133 and a first driven gear 132. There are two first driven gears 132. The two first driven gears 132 are respectively sleeved on the follower shaft 13 that drives the two wiping steel brushes 131 to rotate. The two first driven gears 132 are respectively meshed with the second driving gear 126 and the second driven gear 124; there are two first driving gears 133, and there are two racks 141. The two racks 141 are both arranged on the inner side wall of the screening drum 14. The two first driving gears 133 are both sleeved on a follower shaft 13 that drives the wiping steel brushes 131 to rotate, and the two first driving gears 133 are respectively meshed with the two racks 141.

[0030] Usage process:

[0031] The construction waste to be crushed is placed inside the screening drum 14 through the opening and closing door 144, and then the opening and closing door 144 is closed, and the driving mechanism 12 is turned on. The driving mechanism 12 is started to start the construction waste to begin crushing. During the crushing process, the wiping steel brush 131 wipes off the construction waste adhering to the roller, and the screening drum 14 screens and discharges the crushed construction waste. The hanging plate 143 sends the incompletely crushed construction waste to the crushing block 123 for further crushing to improve its crushing efficiency.

[0032] Exemplarily, two symmetrically arranged circular holes are provided inside the crushing box 11, and two rotating shafts 121 are rotatably installed inside the two circular holes respectively. Two symmetrically arranged hole grooves are provided inside the crushing box 11, and two follower shafts 13 are rotatably installed inside the two hole grooves respectively. A circular groove is provided inside the screening drum 14, and the balls of the bearing 142 are rotatably installed inside the circular groove together.

[0033] The specific implementation process of the utility model is as follows: when the construction waste needs to be crushed, the opening and closing door 144 is opened, and then the construction waste is placed inside the screening drum 14, and then the opening and closing door is closed, and the driving mechanism 12 is turned on. The driving mechanism 12 is started to drive one of the rotating shafts 121 to rotate, and this rotating shaft 121 drives another rotating shaft 121 to rotate through two meshing second driving gears 126 and the second driven gear 124. The two rotating shafts 121 rotate in opposite directions, so that the rollers rotate in opposite directions. The crushing round block 123 crushes the construction waste at this time. At the same time, the second driving gear 126 and the second driven gear 124 also drive the first driven gear 132 to rotate, and the first driven gear 132 rotates to drive the follower shaft 1 3 rotates, the driven shaft 13 rotates to drive the wiping steel brush 131 to rotate, the wiping steel brush 131 wipes off the construction waste adhered to the first roller 122, the second roller 125 and the crushing block 123 to prevent it from adhering to the first roller 122 and the second roller 125. When the driven shaft 13 rotates, the first driving gear 133 is driven to rotate, and the first driving gear 133 drives the screening drum 14 to rotate. During the rotation of the screening drum 14, the completely crushed construction waste is discharged through the sieve holes on the screening drum 14, and the incompletely crushed construction waste is collected through the hanging plate 143 and sent to the first roller 122 and the second roller 125 for secondary crushing. The crushing is complete, thereby improving the crushing efficiency.

[0034] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A construction waste crusher, characterized in that: include: A crushing box body, which is provided with a feed inlet and a discharge outlet; A crushing mechanism, which is assembled in the crushing box; A driving mechanism, the driving mechanism is mounted on the crushing box, and the driving mechanism is connected to the crushing mechanism; The screening drum is sleeved on the outside of the crushing mechanism, the screening drum can rotate relative to the crushing box, the screening drum is provided with an opening and closing door, and the inner wall of the screening drum is provided with a hanging plate.

2. A construction waste crusher according to claim 1, characterized in that: The screening drum is connected to the crushing mechanism through a transmission assembly.

3. A construction waste crusher according to claim 2, characterized in that: The transmission assembly comprises a first transmission gear set, a rack is arranged on the inner side wall of the screening drum, the first transmission gear set is connected with the crushing mechanism, and the first transmission gear set is meshed with the rack for transmission.

4. A construction waste crusher according to claim 1, characterized in that: The edges of both ends of the screening drum are sleeved with bearings, and the outer rings of the two bearings are connected to the inner wall of the crushing box.

5. A construction waste crusher according to claim 3, characterized in that: The crushing mechanism includes a first roller and a second roller, which are arranged side by side in a crushing box, and are both rotatably connected to the crushing box. The first roller and the second roller are provided with crushing blocks, and the crushing blocks on the first roller and the crushing blocks on the second roller are staggered; the first roller is connected to a driving mechanism, and the first roller and the second roller are driven by a second transmission gear set, and the first transmission gear set is meshed with the second transmission gear set.

6. A construction waste crusher according to claim 5, characterized in that: The second transmission gear set includes a second driving gear and a second driven gear, which are respectively sleeved on the first roller and the second roller, meshed with each other, and both meshed with the first transmission gear set.

7. A construction waste crusher according to claim 6, characterized in that: It also includes two wiping steel brushes, both of which are located on the inner side of the screening drum, both of which are rotatably connected to the crushing box, and the two wiping steel brushes are in contact with the first rotating roller and the second rotating roller respectively.

8. A construction waste crusher according to claim 7, characterized in that: The first transmission gear set includes a first driving gear and a first driven gear. There are two first driven gears. The two first driven gears are respectively sleeved on two wiping steel brushes. The two first driven gears are respectively meshed with the second driving gear and the second driven gear. There are two first driving gears and two racks, both of which are arranged on the inner wall of the screening drum, and both first driving gears are sleeved on a wiping steel brush, and the two first driving gears are respectively meshed with the two racks.

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