Crushing equipment for waste cement bricks

Abstract

The utility model relates to the technical field of cement brick crushing equipment, and discloses crushing equipment for waste cement bricks, which comprises a rack, a crushing cabin is fixedly arranged on the rack, a rotating shaft is rotatably arranged in the crushing cabin, and rotating shear plates are fixedly arranged on the rotating shaft at intervals. And a plurality of fixed shearing plates staggered with the rotary shearing plates are fixedly arranged in the crushing cabin, and the rotary shearing plates are matched with the fixed shearing plates to shear and crush the cement bricks falling into the crushing cabin after rotating under the action of a rotating shaft. Only one end of the plastic brush is fixed to the inner wall of the channel of the hollow protective cover, and the other end of the plastic brush is not fixed, so that after cement bricks fall down, the speed reduction effect can be achieved under the action of the plastic brush, impact on parts in the crushing cabin is avoided, in addition, disintegrating slag splashing in the crushing process is avoided, and safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of cement brick crushing equipment, in particular to a crushing equipment for discarded cement bricks. Background Art

[0002] When recycling hollow cement bricks, the cement bricks are processed by crushing them. However, the traditional crushing device will generate a lot of dust, and there will be splashing of debris, which affects safety. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a crushing device for waste cement bricks is provided, which solves the above problems.

[0004] The utility model solves the technical problem by adopting the following technical solutions:

[0005] A crushing device for waste cement bricks, comprising a frame, a crushing cabin fixedly arranged on the frame, a rotating shaft rotating in the crushing cabin and rotating shear plates fixedly arranged at intervals on the rotating shaft, a plurality of fixed shear plates staggered with the rotating shear plates fixedly arranged in the crushing cabin, when the rotating shear plates rotate under the action of the rotating shaft, they cooperate with the fixed shear plates to shear and crush the cement bricks falling into the crushing cabin, a driving motor for driving the rotating shaft to rotate is fixedly arranged on the frame, a driven synchronous wheel is fixedly arranged at the end of the rotating shaft by a key, and a driven synchronous wheel is fixedly arranged on the output shaft of the driving motor An active synchronous wheel is fixed by a key, and the active synchronous wheel and the driven synchronous wheel are connected by a synchronous belt, and a hollow protective cover is fixed on the crushing chamber, and a channel for cement bricks to fall into the crushing chamber is provided in the middle of the hollow protective cover, and plastic brushes are fixed at annular intervals in the channel, and only one end of the plastic brush is fixed to the inner wall of the channel of the hollow protective cover, and the other end is not fixed, so that after the cement bricks fall, they can be decelerated under the action of the plastic brush to avoid impact on the components in the crushing chamber, and also to avoid splashing of debris during the crushing process, which is safer.

[0006] Preferably, the plastic brush is fixed in the protective core and an internal thread is provided in the hollow protective cover for fixing the protective core, so that it is convenient to remove the protective core to clean the plastic brush, and the replacement cost is lower when the plastic brush is damaged.

[0007] Preferably, a water storage cavity is provided in the hollow protective cover, and a plurality of atomizing nozzles for atomizing the water in the inner cavity of the hollow protective cover are fixedly provided at intervals on the inner wall of the hollow protective cover. The atomized water vapor is in the passage through which the cement bricks enter the crushing chamber, effectively reducing dust scattering. A water inlet for adding water is fixedly provided at the upper end of the hollow protective cover.

[0008] Preferably, the distance between the topmost layer of plastic brushes in the protective core and the bottommost layer of plastic brushes in the protective core is greater than the length of the cement brick, so that when the cement brick passes through the protective core, at least one layer of the plastic brushes is in a closed initial state, thereby preventing debris from splashing out. It should be noted that the diameter and setting density of the plastic brushes can be adjusted as needed.

[0009] Preferably, threaded mounting holes are provided at intervals on the sides of the crushing chamber, bolt feet are welded and fixed at intervals on the sides of the hollow protective cover, and the bolt feet are fixed to the threaded mounting holes by bolts.

[0010] Preferably, a sealing rubber ring is provided at the fitting portion between the lower end surface of the hollow protective cover and the upper end surface of the crushing chamber.

[0011] The advantages and positive effects of the utility model are: only one end of the plastic brush is fixed to the inner wall of the channel of the hollow protective cover, and the other end is not fixed, so that after the cement brick falls, it can play a deceleration role under the action of the plastic brush to avoid impact on the components in the crushing cabin, and also avoid the splashing of debris during the crushing process, which is safer;

[0012] When the plastic brush is damaged, the replacement cost is lower;

[0013] A plurality of atomizing nozzles for atomizing water in the inner cavity of the hollow protective cover are fixedly provided at intervals on the inner wall of the hollow protective cover. The atomized water vapor is in the passage through which cement bricks enter the crushing chamber, thereby effectively reducing dust scattering. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] The marks in the attached drawings are described as follows: 10, protective inner core; 11, plastic brush; 12, hollow protective cover; 13, internal thread; 14, bolt foot; 15, crushing chamber; 16, mounting threaded hole; 17, frame; 18, rotating shear plate; 19, fixed shear plate; 20, driving motor; 21, active synchronous wheel; 22, synchronous belt; 23, driven synchronous wheel; 24, atomizing nozzle; 25, water injection port. DETAILED DESCRIPTION

[0017] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0018] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0019] like Figure 1 As shown, the utility model discloses a crushing device for waste cement bricks, comprising a frame 17, on which a crushing cabin 15 is fixedly provided, a rotating shaft is rotatably provided in the crushing cabin 15, and rotating shear plates 18 are fixedly provided on the rotating shaft at intervals, a plurality of fixed shear plates 19 staggered with the rotating shear plates 18 are fixedly provided in the crushing cabin 15, when the rotating shear plates 18 rotate under the action of the rotating shaft, they cooperate with the fixed shear plates 19 to shear and crush the cement bricks falling into the crushing cabin 15, a driving motor 20 for driving the rotating shaft to rotate is fixedly provided on the frame 17, a driven synchronous wheel 23 is fixedly provided at the end of the rotating shaft by a key, and a driven synchronous wheel 23 is fixedly provided at the driving motor 20. An active synchronous wheel 21 is fixedly provided on the output shaft of 20 by a key, and the active synchronous wheel 21 and the driven synchronous wheel 23 are connected by a synchronous belt 22, and a hollow protective cover 12 is also fixedly provided on the crushing chamber 15, and a channel for cement bricks to fall into the crushing chamber 15 is provided in the middle of the hollow protective cover 12, and plastic brushes 11 are fixedly provided at annular intervals in the channel, and only one end of the plastic brush 11 is fixed to the inner wall of the channel of the hollow protective cover 12, and the other end is not fixed, so that after the cement bricks fall, they can be decelerated under the action of the plastic brush 11 to avoid impact on the internal components of the crushing chamber 15, and to avoid splashing of debris during the crushing process, which is safer.

[0020] Preferably, the plastic brush 11 is fixed in the protective core 10 and an internal thread 13 is provided in the hollow protective cover 12 for fixing the protective core 10, so that it is convenient to remove the protective core 10 to clean the plastic brush 11, and the replacement cost is lower when the plastic brush 11 is damaged.

[0021] Preferably, a water storage cavity is provided in the hollow protective cover 12, and a plurality of atomizing nozzles 24 for atomizing the water in the inner cavity of the hollow protective cover 12 are fixedly provided at intervals on the inner wall of the hollow protective cover 12. The atomized water vapor is in the passage through which the cement bricks enter the crushing chamber 15, which effectively reduces the dust from floating. A water inlet 25 for adding water is fixedly provided at the upper end of the hollow protective cover 12.

[0022] Preferably, the distance between the topmost layer of the plastic brush 11 in the protective core 10 and the bottommost layer of the plastic brush 11 in the protective core 10 is greater than the length of the cement brick, so that when the cement brick passes through the protective core 10, at least one layer of the plastic brush 11 is in a closed initial state, thereby preventing debris from splashing out. It should be noted that the diameter and setting density of the plastic brush 11 can be adjusted as needed.

[0023] Preferably, mounting threaded holes 16 are provided at intervals on the sides of the crushing chamber 15 , and bolt feet 14 are welded and fixed at intervals on the sides of the hollow protective cover 12 , and the bolt feet 14 are fixed to the mounting threaded holes 16 by bolts.

[0024] Preferably, a sealing rubber ring is provided at the fitting portion between the lower end surface of the hollow protective cover 12 and the upper end surface of the crushing chamber 15 .

[0025] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A crushing device for waste cement bricks, comprising a frame (17), Features: A crushing chamber (15) is fixedly provided on the frame (17), a rotating shaft is rotatably provided in the crushing chamber (15) and rotating shear plates (18) are fixedly provided on the rotating shaft at intervals, a plurality of fixed shear plates (19) staggered with the rotating shear plates (18) are fixedly provided in the crushing chamber (15), and when the rotating shear plates (18) rotate under the action of the rotating shaft, they cooperate with the fixed shear plates (19) to shear and crush cement bricks falling into the crushing chamber (15), a driving motor (20) for driving the rotating shaft to rotate is fixedly provided on the frame (17), a driven synchronous wheel (23) is fixedly provided on the end of the rotating shaft by a key, and a main synchronous wheel (23) is fixedly provided on the output shaft of the driving motor (20) by a key. A driving synchronous wheel (21) is connected to the driven synchronous wheel (23) by a synchronous belt (22), and a hollow protective cover (12) is fixedly provided on the crushing chamber (15). A channel for cement bricks to fall into the crushing chamber (15) is provided in the middle of the hollow protective cover (12), and plastic brushes (11) are fixedly provided at annular intervals in the channel. Only one end of the plastic brush (11) is fixed to the inner wall of the channel of the hollow protective cover (12), and the other end is not fixed. In this way, after the cement bricks fall, they can be decelerated under the action of the plastic brush (11) to avoid impact on the internal components of the crushing chamber (15). In addition, the debris can be prevented from splashing during the crushing process, which is safer.

2. A crushing device for waste cement bricks according to claim 1, Features: The plastic brush (11) is fixed in the protective inner core (10) and an internal thread (13) is provided in the hollow protective cover (12) for fixing the protective inner core (10), so that it is convenient to remove the protective inner core (10) to clean the plastic brush (11), and the replacement cost of the plastic brush (11) is lower when it is damaged.

3. A crushing device for waste cement bricks according to claim 2, Features: A water storage cavity is provided in the hollow protective cover (12), and a plurality of atomizing nozzles (24) for atomizing water in the cavity of the hollow protective cover (12) are fixedly provided at intervals on the inner wall of the hollow protective cover (12). The atomized water vapor is in the passage through which the cement bricks enter the crushing chamber (15), thereby effectively reducing dust scattering. A water injection port (25) for adding water is fixedly provided at the upper end of the hollow protective cover (12).

4. A crushing device for waste cement bricks according to claim 3, Features: The distance between the uppermost layer of the plastic brushes (11) arranged in the protective inner core (10) and the lowermost layer of the plastic brushes (11) arranged in the protective inner core (10) is greater than the length of the cement brick, so that when the cement brick passes through the protective inner core (10), at least one layer of the plastic brushes (11) is in a closed initial state, thereby preventing debris from splashing out. It should be noted that the diameter and setting density of the plastic brushes (11) can be adjusted as needed.

5. A crushing device for waste cement bricks according to claim 4, Features: Mounting threaded holes (16) are provided at intervals on the side of the crushing chamber (15), bolt feet (14) are welded and fixed at intervals on the side of the hollow protective cover (12), and the bolt feet (14) and the mounting threaded holes (16) are fixed by bolts.

6. A crushing device for waste cement bricks according to claim 5, Features: A sealing rubber ring is provided at the fitting portion between the lower end surface of the hollow protective cover (12) and the upper end surface of the crushing chamber (15).

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