Crusher capable of preventing blocking caused by caking during discharging of cement

Abstract

The utility model discloses a crusher capable of preventing caking and blocking during cement discharging, which relates to the technical field of cement discharging equipment, and comprises a crusher main body shell, a discharging port arranged below the crusher main body shell, a crushing component, an electric cabinet component and a flow regulating component, the crusher body shell is in a flat-top pyramid shape, the flow adjusting shell is fixed to the top of the crusher body shell through bolts, the discharging port is fixed to the bottom of the crusher body shell through bolts, and the top of the flow adjusting shell communicates with the feeding port. According to the utility model, the locked-rotor condition of the motor can be timely detected through real-time monitoring of the current sensor, and the reverse rotation of the rotor is automatically controlled, so that the motor is effectively prevented from being damaged due to locked-rotor, the frequency of manual cleaning is reduced, and the production efficiency is improved; the adjusting plate at the feeding port of the device can flexibly control the flow of materials entering the crusher according to actual discharging requirements, and blockage caused by excessive materials is prevented.

Description

Technical Field

[0001] This utility model relates to the technical field of cement unloading equipment, specifically a crusher to prevent cement from caking and clogging during unloading. Background Technology

[0002] During the unloading process after cement production, storage, and transportation, cement is prone to clumping due to factors such as moisture and pressure. If this clumped cement is directly introduced into subsequent processes, it can easily cause blockages in the unloading pipeline, affecting the continuity and efficiency of production. Generally, a clumping crusher is installed at the inlet end of the unloading equipment to solve this problem.

[0003] Existing cement unloading and crushing devices have some shortcomings. When encountering large or hard lumps of material, the rotor is easily jammed, which is called motor stalling. Once the motor stalls, it will not only damage the motor, but also cause the entire unloading and crushing operation to be interrupted. It requires manual cleaning, which is cumbersome and delays production time. Utility Model Content

[0004] This invention provides a crusher to prevent cement from caking and clogging during unloading. It has the advantages of self-cleaning hard blocks and having an abnormal alarm function, thus solving the problem of motor stalling that is common in existing equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a crusher for preventing cement discharge from caking and clogging, comprising a crusher body shell and a discharge port located below the crusher body shell, and further comprising a crushing assembly, an electrical control box assembly, and a flow regulating assembly, wherein:

[0006] The main body shell of the crusher is in the shape of a flat-topped pyramid. The top of the main body shell of the crusher is fixed with a flow regulating shell by bolts, and the bottom is fixed with a discharge port by bolts. The top of the flow regulating shell is connected to the feed port.

[0007] The crushing component includes a power motor, the power motor is provided with a motor shaft, and auxiliary shafts are symmetrically provided on one side of the motor shaft. Several crushing claws are symmetrically welded on the motor shaft and the auxiliary shaft, and the crushing claws are arranged radially.

[0008] The electrical control box assembly includes an electrical control box, an operation panel on the top surface of the electrical control box, and a current sensor, a controller, and a relay inside the electrical control box.

[0009] In a preferred embodiment of this utility model, the power motor is electrically connected to the current sensor, the current sensor is electrically connected to the controller, the controller is electrically connected to the relay, and the relay is electrically connected to the power motor.

[0010] As a preferred technical solution of this utility model, the two ends of the motor shaft penetrate through the main shell of the crusher, one end of which is connected to a bearing, and the two ends of the auxiliary shaft are connected to bearings.

[0011] As a preferred technical solution of this utility model, the outer side of the main body shell of the crusher is provided with a protective shell, the bearing is fixed to the inner wall of the protective shell by bolts, and the motor shaft and the auxiliary shaft are symmetrically provided with linkage gears and meshing with each other.

[0012] As a preferred embodiment of this utility model, the power motor is fixed to the support platform by bolts, the support platform is welded to one end of the main shell of the crusher, and the electrical control box is located on the support platform.

[0013] As a preferred embodiment of this utility model, the flow regulation component includes a servo motor, which is fixed to one side of the flow regulation housing by bolts.

[0014] As a preferred embodiment of this utility model, the servo motor is provided with a rotating shaft, and adjustment plates are symmetrically welded on both sides of the rotating shaft, with the adjustment plates located directly below the feed inlet.

[0015] Compared with the prior art, this utility model provides a crusher to prevent cement from caking and clogging during unloading, which has the following advantages: This utility model can detect the motor stalling situation in a timely manner through real-time monitoring by a current sensor, and automatically control the rotor to reverse, effectively avoiding damage to the motor due to stalling, while reducing the frequency of manual cleaning and improving production efficiency; The regulating plate at the feed inlet of the device can flexibly control the material flow rate into the crusher according to the actual unloading needs, preventing blockage caused by excessive material. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a structural diagram of the crushing component of this utility model;

[0018] Figure 3 This is a schematic diagram of the electrical control box assembly structure of this utility model;

[0019] Figure 4 This is a structural diagram of the flow regulation component of this utility model.

[0020] In the diagram: 1. Crusher main body shell; 2. Discharge port; 3. Crushing assembly; 4. Electrical control box assembly; 5. Flow regulation assembly; 51. Flow regulation shell; 6. Feed port; 31. Power motor; 32. Motor shaft; 33. Auxiliary shaft; 34. Crushing claw; 41. Electrical control box; 42. Operation panel; 43. Current sensor; 44. Controller; 45. Relay; 35. Bearing; 11. Protective shell; 36. Linkage gear; 311. Support platform; 52. Servo motor; 53. Rotating shaft; 54. Adjustment plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0022] Please see Figures 1-4 This utility model discloses a crusher for preventing cement from caking and clogging during unloading, including a crusher body shell 1 and a discharge port 2 located below the crusher body shell 1, as well as a crushing component 3, an electrical control box component 4, and a flow regulating component 5, wherein:

[0023] The main body shell 1 of the crusher is in the shape of a flat-topped pyramid. The top of the main body shell 1 is fixed with a flow regulating shell 51 by bolts, and the bottom is fixed with a discharge port 2 by bolts. The top of the flow regulating shell 51 is connected to the feed port 6.

[0024] Please refer to the appendix. Figure 3 The crushing component 3 includes a power motor 31, the power motor 31 is provided with a motor shaft 32, and an auxiliary shaft 33 is symmetrically provided on one side of the motor shaft 32. Several crushing claws 34 are symmetrically welded on the motor shaft 32 and the auxiliary shaft 33. The crushing claws 34 are arranged radially. Specifically, the radial shape of the crushing claws can evenly contact and move the material, so that the material can be crushed in all directions.

[0025] Please refer to the appendix. Figure 4 The electrical control box assembly 4 includes an electrical control box 41, an operation panel 42 on the top surface of the electrical control box 41, and a current sensor 43, a controller 44 and a relay 45 inside the electrical control box 41.

[0026] The power motor 31 is electrically connected to the current sensor 43, the current sensor 43 is electrically connected to the controller 44, the controller 44 is electrically connected to the relay 45, and the relay 45 is electrically connected to the power motor 31.

[0027] In this embodiment, when the rotor is stuck by uncrushable blocky material, the operating current of the power motor 31 will increase sharply. When the current exceeds the stall current threshold preset by the controller 44, the controller 44 determines that the motor is stalled and immediately sends a control signal to the relay 45. The relay 45 quickly switches the power phase sequence of the motor, so that the power motor 31 drives the rotor to automatically reverse, thereby getting rid of the stuck blocky material. Example 2

[0028] Based on the above embodiment 1, please refer to the appendix. Figure 4 The motor shaft 32 passes through the main shell 1 of the crusher at both ends, with one end connected to a bearing 35. The auxiliary shaft 33 is connected to bearings 35 at both ends. Specifically, the bearings 35 help the motor shaft 32 and the auxiliary shaft 33 to rotate, thereby improving working efficiency.

[0029] The outer side of the main body shell 1 of the crusher is provided with a protective shell 11. The bearing 35 is fixed to the inner wall of the protective shell 11 by bolts. The motor shaft 32 and the auxiliary shaft 33 are symmetrically provided with linkage gears 36 and mesh with each other. Specifically, the linkage gears 36 make the motor shaft 32 and the auxiliary shaft 33 rotate synchronously inward or outward.

[0030] The power motor 31 is fixed to the support platform 311 by bolts. The support platform 311 is welded to one end of the main shell 1 of the crusher. The electrical control box 41 is located on the support platform 311.

[0031] The flow regulation assembly 5 includes a servo motor 52, which is fixed to one side of the flow regulation housing 51 by bolts.

[0032] The servo motor 52 is equipped with a rotating shaft 53, and adjustment plates 54 are symmetrically welded on both sides of the rotating shaft 53. The adjustment plates 54 are located directly below the feed inlet 6.

[0033] In this embodiment, the controller 44 controls the servo motor 52 to drive the rotating shaft 53 to rotate, and the rotating shaft 53 drives the adjusting plate 54 to a suitable angle so that the cement material enters the main shell 1 of the crusher evenly.

[0034] The working principle and usage process of this utility model are as follows: When in use, first connect the feed port 6 of the crusher to the discharge port at the bottom of the cement silo through a flange, then connect the discharge port 2 of the crusher to the feed end of the unloading equipment, calibrate the current sensor, and set the stall current threshold of the controller 44 according to the rated current of the power motor 31 to ensure that the controller can accurately determine whether the motor is stalled.

[0035] Press the start button on the operation panel 42, and the controller 44 controls the servo motor 52 and the power motor 31 to start. The servo motor 52 drives the rotating shaft 53 to rotate, and the rotating shaft 53 drives the adjusting plate 54 to a suitable angle, so that the cement material enters the main shell 1 of the crusher evenly.

[0036] The power motor 31 drives the motor shaft 32 to rotate counterclockwise. The motor shaft 32 drives the auxiliary shaft 33 to rotate inward synchronously through the linkage gear 36, which in turn drives the crushing claws of both to move the block material. The crushing claws squeeze the block material through the grid between the crushing claws to crush it and prevent cement from clumping and blocking the subsequent pipeline.

[0037] During the crushing process, the current sensor 43 monitors the operating current of the power motor 31 in real time and transmits the current signal to the controller 44. When the rotor is stuck by uncrushable lumpy material, the operating current of the power motor 31 will increase sharply. When the current exceeds the stall current threshold preset by the controller 44, the controller 44 determines that the motor has stalled and immediately sends a control signal to the relay 45. The relay 45 quickly switches the power phase sequence of the motor, causing the power motor 31 to drive the rotor to automatically reverse, thereby getting rid of the stuck lumpy material. After the motor reverses for a period of time, if the current returns to normal, the controller 44 controls the motor to resume forward rotation and continue the crushing work. If the lumpy material is too hard and the crusher cannot crush it even after three consecutive forward and reverse rotations, the equipment will automatically issue a fault alarm and stop the machine to remind the operator to check and handle the problem.

Claims

1. A crusher for preventing cement discharge from caking and clogging, comprising a crusher body shell (1) and a discharge port (2) disposed below the crusher body shell (1), characterized in that, It also includes a crushing assembly (3), an electrical control box assembly (4), and a flow regulation assembly (5), wherein: The main shell of the crusher (1) is a flat-topped pyramid shape. The top of the main shell of the crusher (1) is fixed with a flow regulating shell (51) by bolts, and the bottom is fixed with a discharge port (2) by bolts. The top of the flow regulating shell (51) is connected to the feed port (6). The crushing component (3) includes a power motor (31), the power motor (31) is provided with a motor shaft (32), and an auxiliary shaft (33) is symmetrically provided on one side of the motor shaft (32). A plurality of crushing claws (34) are symmetrically welded on the motor shaft (32) and the auxiliary shaft (33), and the crushing claws (34) are arranged radially. The electrical control box assembly (4) includes an electrical control box (41), an operation panel (42) is provided on the top surface of the electrical control box (41), and a current sensor (43), a controller (44) and a relay (45) are provided inside the electrical control box (41).

2. The crusher for preventing cement from caking and clogging during unloading according to claim 1, characterized in that: The power motor (31) is electrically connected to the current sensor (43), the current sensor (43) is electrically connected to the controller (44), the controller (44) is electrically connected to the relay (45), and the relay (45) is electrically connected to the power motor 31.

3. The crusher for preventing cement from caking and clogging during unloading according to claim 2, characterized in that: The motor shaft (32) passes through the main shell (1) of the crusher at both ends, with one end connected to a bearing (35), and the auxiliary shaft (33) is connected to bearings (35) at both ends.

4. The crusher for preventing cement from caking and clogging during unloading according to claim 3, characterized in that: The outer side of the main shell (1) of the crusher is provided with a protective shell (11). The bearing (35) is fixed to the inner wall of the protective shell (11) by bolts. The motor shaft (32) and the auxiliary shaft (33) are symmetrically provided with linkage gears (36) and meshing with each other.

5. A crusher for preventing cement from caking and clogging during unloading according to claim 4, characterized in that: The power motor (31) is fixed to the support platform (311) by bolts. The support platform (311) is welded to one end of the main shell (1) of the crusher. The electrical control box (41) is located on the support platform (311).

6. The crusher for preventing cement from caking and clogging during unloading according to claim 1, characterized in that: The flow regulating component (5) includes a servo motor (52), which is fixed to one side of the flow regulating housing (51) by bolts.

7. A crusher for preventing cement from caking and clogging during unloading according to claim 6, characterized in that: The servo motor (52) is equipped with a rotating shaft (53), and adjustment plates (54) are symmetrically welded on both sides of the rotating shaft (53). The adjustment plates (54) are located directly below the feed inlet (6).

Images