CN219377288U - Abandoned stone smashing device - Google Patents

Abstract

The utility model relates to the technical field of stone crushing, in particular to a waste stone crushing device which comprises a grinding bottom box, wherein the top of the grinding bottom box is communicated with a crushing top box through a pipeline, a crushing roller set is arranged in the crushing top box in a rotating way, one side of the crushing top box is provided with a screening feeding mechanism, the screening feeding mechanism comprises a fixed bottom frame arranged on one side of the crushing top box, and a screening frame which is arranged above the fixed bottom frame and is connected with the fixed bottom frame through an elastic piece, a plurality of groups of screening bars are arranged in the screening frame, a turnover frame is hinged on the side wall of the crushing top box, a plurality of groups of U-shaped supporting bars are distributed in the turnover frame in a staggered way, when the crushing top box is used, stones are shoveled up and poured onto the screening bars, the elastic piece absorbs impact force and drives the screening frame to shake up and down, and the stones in the crushing top box can be jacked up and conveyed into the crushing top box through the U-shaped supporting bars after the screening is completed.

Description

Abandoned stone smashing device

Technical Field

The utility model relates to the technical field of stone crushing, in particular to a waste stone crushing device.

Background

The construction site needs to use a large amount of stones, and after construction, the stones with various specifications are piled up and discarded, or some discarded stones are produced in the process of dismantling the construction site, and are crushed and reused in a unified way, but as the stones are doped with a large amount of soil in the process of discarding and placing, if the crushed soil is directly crushed, the crushed stones are mixed with the stones, so that the quality is affected;

meanwhile, in order to improve the crushing effect of stones, the stones are crushed after preliminary crushing, and blockage is likely to occur in the blanking process, so that the blanking is not smooth, and therefore, a waste stone crushing device with a screening function and capable of smoothly blanking is needed.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the scheme provides the waste stone smashing device, which is achieved by the following specific technical means: the grinding machine comprises a grinding bottom box, wherein a grinding top box is arranged at the top of the grinding bottom box through pipeline communication, a grinding roller set is arranged in the grinding top box in a rotating manner, a screening feeding mechanism is arranged on one side of the grinding top box, the screening feeding mechanism comprises a fixed bottom frame arranged on one side of the grinding top box, and a screening frame which is arranged above the fixed bottom frame and connected with the fixed bottom frame through an elastic piece, a plurality of groups of screening bars are arranged in the screening frame, a turnover frame is hinged to the side wall of the grinding top box, a plurality of groups of U-shaped supporting bars are distributed in the turnover frame, the U-shaped supporting bars and the screening bars are distributed in a staggered manner, so that the bottoms of the U-shaped supporting bars can be inserted between the two groups of screening bars, during use, stones are shoveled up and poured onto the screening bars, the elastic piece absorbs impact force and drives the screening frame to shake up and down, and stones in the stone can not collide with the U-shaped supporting bars when the screening bars shake, and after screening is completed, the stone can be conveyed into the grinding top box through the turnover frame; the grinding power shaft is rotationally arranged in the grinding bottom box, extends to the bottom side of the crushing top box through the pipeline, and is provided with an anti-blocking stirring piece at the part of the grinding power shaft located in the pipeline.

The first preferred technical scheme is as follows: the crushing top box top mouth one side is provided with the support, upset frame one side rotates to locate on the support, articulated being provided with the telescopic link on the fixed underframe, the top and the upset frame of telescopic link are articulated to be connected, control the upset frame keep flat and erect through the flexible of telescopic link.

And the second preferred technical scheme is as follows: the screening frame is provided with a vertical rod, and the vertical rod penetrates through the fixed bottom frame in a sliding mode.

And the preferred technical scheme is as follows: the grinding machine is characterized in that a fixed grinding disc is arranged in the middle of the grinding bottom box, a grinding power shaft penetrates through a gap in the middle of the fixed grinding disc, a movable grinding disc is sleeved on the grinding power shaft, and the movable grinding disc is located above the fixed grinding disc and matched with the fixed grinding disc to grind stones after primary grinding, so that further grinding is achieved.

The preferable technical scheme is as follows: the grinding bottom box is internally provided with a motor which is connected with a grinding power shaft.

The preferable technical scheme is as follows: the top of the movable millstone is provided with an upward convex arc surface, so that stones are promoted to fall into a gap between the movable millstone and the fixed millstone.

The preferable technical scheme is as follows: the grinding power shaft is formed by a motor, a rotating shaft and an intermittent shaft, wherein the motor is connected with the rotating shaft and penetrates through the movable grinding disc, the intermittent shaft is rotationally connected with the rotating shaft, the anti-blocking stirring piece and the blanking stirring piece are arranged on the intermittent shaft, an electromagnet is arranged in a groove on the top surface of the rotating shaft, a magnet block is arranged in the groove in a sliding penetration mode, the electromagnet is repelled with the magnet block after being electrified, and the magnet block is pushed to move upwards and be inserted into a clamping groove formed in the end face of the intermittent shaft above the magnet block, so that linkage between the rotating shaft and the intermittent shaft is realized.

The preferred technical scheme is as follows: the top of the movable millstone is provided with a pressure sensor, the pressure sensor is electrically connected with the electromagnet, and when the pressure sensor cannot detect enough pressure values, the pipeline is considered to be blocked, and at the moment, a feedback signal is transmitted to the electromagnet to be electrified.

Adopt above-mentioned structure to make this scheme possess following beneficial effect:

1. the impact force of the stone material when the stone material is poured is used as a power source for shaking the screening frame, so that separation of the stone material and soil is realized, and in the screening process, as the screening grid rod is positioned in the middle of the U-shaped supporting rod, the stone material cannot collide with the U-shaped supporting rod when the screening grid rod is shaken, so that the U-shaped supporting rod is effectively prevented from collision deformation, the service life of the U-shaped supporting rod is prolonged, and the stone material can be jacked up and conveyed into a crushing top box by overturning the U-shaped supporting rod after screening is completed;

2. the stone is primarily crushed by utilizing the crushing roller set, and then further grinding treatment is carried out by the movable grinding disc and the fixed grinding disc, so that the obtained stone is finer;

3. when the movable millstone rotates, the anti-blocking stirring piece and the blanking stirring piece are synchronously driven to rotate, so that the feeding smoothness of stones is improved, whether a pipeline is smooth or not is detected by using the pressure sensor, blocking is timely performed when blocking occurs, and the anti-blocking stirring piece and the blanking stirring piece do not need to rotate constantly.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present solution;

FIG. 2 is a cross-sectional view of the present solution;

FIG. 3 is a schematic structural view of the anti-blocking stirring member and the blanking stirring member according to the present embodiment;

FIG. 4 is a schematic diagram of the structure of the screening feeding mechanism according to the scheme;

fig. 5 is a schematic structural view of the screen selecting millstone and the movable millstone according to the scheme.

Wherein, 1, grind the base box, 2, the pipeline, 3, smash the top case, 4, smash roller group, 5, fixed underframe, 6, screening frame, 7, screening bars, 8, upset frame, 9, U die-pin, 10, grind the power shaft, 11, prevent stifled stirring piece, 12, support, 13, telescopic link, 14, montant, 15, decide the mill, 16, move the mill, 17, motor, 18, discharge gate, 19, axis of rotation, 20, intermittent type axle, 21, electro-magnet, 22, magnet piece, 23, elastic component, 24, unloading stir the piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2 and 4, the waste stone crushing device comprises a grinding bottom box 1, wherein the top of the grinding bottom box 1 is communicated with a crushing top box 3 through a pipeline 2, a crushing roller set 4 is rotationally arranged in the crushing top box 3, one side of the crushing top box 3 is provided with a screening feeding mechanism, the screening feeding mechanism comprises a fixed bottom frame 5 arranged on one side of the crushing top box 3, and a screening frame 6 which is positioned above the fixed bottom frame 5 and connected with the fixed bottom frame 5 through an elastic piece 23, the elastic piece 23 is preferably a spring, a plurality of groups of screening grid bars 7 are uniformly distributed in the screening frame 6 at intervals, a turnover frame 8 is hinged on the side wall of the crushing top box 3, a plurality of groups of U-shaped supporting bars 9,U are uniformly distributed in the turnover frame 8 at intervals and are staggered with the screening grid bars 7, and the U-shaped supporting bars 9 are positioned on the inner side of the screening frame 6, so that the middle lower part of the U-shaped supporting bars 9 can be inserted between the two groups of screening grid bars 7; the grinding bottom box 1 is rotatably provided with a grinding power shaft 10, the grinding power shaft 10 extends through the pipeline 2 to the bottom side of the crushing top box 3, and the part of the grinding power shaft 10 located in the pipeline 2 is provided with an anti-blocking stirring piece 11.

Referring to fig. 4, in the waste stone crushing device, a support 12 is disposed on one side of a top opening of a crushing top box 3, a turnover frame 8 is rotatably disposed on the support 12, a telescopic rod 13 is hinged on a fixed bottom frame 5, the top end of the telescopic rod 13 is hinged with the turnover frame 8, a vertical rod 14 is disposed on a screening frame 6, and the vertical rod 14 penetrates through the fixed bottom frame 5 in a sliding manner.

Referring to fig. 2 and 5, the waste stone crushing device is provided with a fixed grinding disc 15 in the middle part in the grinding bottom box 1, a grinding power shaft 10 passes through a gap in the middle part of the fixed grinding disc 15, a movable grinding disc 16 is sleeved on the grinding power shaft 10, the movable grinding disc 16 is positioned above the fixed grinding disc 15 and is matched with the fixed grinding disc 15 to grind stone after primary crushing, a motor 17 is arranged in the grinding bottom box 1, the motor 17 is connected with the grinding power shaft 10, and a discharge port 18 is arranged at the bottom of the grinding bottom box 1.

Referring to fig. 3, in the waste stone crushing apparatus, the bottom of the crushing top box 3 is of a funnel-shaped structure, the top end of the grinding power shaft 10 extends into the funnel-shaped structure, and the top end of the grinding power shaft 10 is provided with a discharging stirring member 24.

Referring to fig. 5, in the waste stone crushing device, the top of the movable grinding disc 16 is provided with an upward convex arc surface, so that stone is promoted to fall into a gap between the movable grinding disc 16 and the fixed grinding disc 15.

Referring to fig. 2, in the waste stone crushing device, a grinding power shaft 10 is formed by a rotating shaft 19 connected with a motor 17 and penetrating a movable grinding disc 16 and an intermittent shaft 20 rotatably connected with the rotating shaft 19, an anti-blocking stirring piece 11 and a blanking stirring piece 24 are arranged on the intermittent shaft 20, an electromagnet 21 is arranged in a groove on the top surface of the rotating shaft 19, a magnet block 22 is arranged in the groove in a sliding penetrating manner, the electromagnet 21 is repelled with the magnet block 22 after being electrified, a pressure sensor is arranged at the top of the movable grinding disc 16, and the pressure sensor is electrically connected with the electromagnet 21.

The concrete use process of the waste stone smashing device comprises the following steps: when the stone crusher is used, stones are shoveled up and then poured onto the screening grid bars 7, the elastic piece 23 absorbs impact force and drives the screening frame 6 to shake up and down, soil in the stones is screened out, after screening is completed, the telescopic rod 13 stretches and pushes the overturning frame 8 to overturn upwards, the stones are jacked up and conveyed into the crushing top box 3 by the U-shaped supporting bars 9, and primary crushing of stones is carried out by the crushing roller set 4;

the crushed stones fall into the grinding bottom box 1 through the pipeline 2, the motor 17 drives the movable grinding disc 16 to rotate to be matched with the fixed grinding disc 15 to finely grind the stones, and the fine materials are discharged from the discharge hole 18;

when the pressure sensor cannot detect a sufficient pressure value, the pipeline 2 is considered to be blocked, at the moment, a feedback signal is transmitted to the electromagnet 21 to be electrified, the electromagnet 21 is repelled with the magnet block 22 after being electrified, the magnet block 22 is pushed to move upwards and be inserted into a clamping groove formed in the end face of the upper intermittent shaft 20, and linkage between the rotating shaft 19 and the intermittent shaft 20 is realized, so that the anti-blocking stirring piece 11 and the blanking stirring piece 24 rotate to clear blocking.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. Abandonment stone reducing mechanism, its characterized in that: including grinding the underframe (1), grind underframe (1) top and be equipped with crushing top case (3) through pipeline (2) intercommunication, it is equipped with crushing roller group (4) to smash in top case (3) rotation, one side of smashing top case (3) is provided with screening feed mechanism, screening feed mechanism is including locating fixed underframe (5) of smashing top case (3) one side, be located fixed underframe (5) top and with fixed underframe (5) between through screening frame (6) that elastic component (23) are connected, laid multiunit screening grid pole (7) in screening frame (6), it is equipped with upset frame (8) to articulate on the lateral wall of crushing top case (3), be equipped with multiunit U type die-pin (9) in upset frame (8), U type die-pin (9) are crisscross to be distributed with screening grid pole (7) for U type die-pin (9) bottom can insert between two sets of screening grid poles (7), grind underframe (1) rotation and be equipped with grinding power shaft (10), grind power shaft (10) and extend to power shaft (2) top (11) and be located and grind power shaft (2).

2. The waste rock crushing apparatus according to claim 1, wherein: the crushing top box (3) top mouth one side is provided with support (12), upset frame (8) one side rotates to locate on support (12), articulated on fixed underframe (5) are provided with telescopic link (13), the top and the upset frame (8) of telescopic link (13) are articulated to be connected.

3. The waste rock crushing apparatus according to claim 1, wherein: the screening frame (6) is provided with a vertical rod (14), and the vertical rod (14) penetrates through the fixed bottom frame (5) in a sliding mode.

4. The waste rock crushing apparatus according to claim 1, wherein: the grinding machine is characterized in that a fixed grinding disc (15) is arranged in the middle of the grinding bottom box (1), a grinding power shaft (10) penetrates through a gap in the middle of the fixed grinding disc (15), a movable grinding disc (16) is sleeved on the grinding power shaft (10), and the movable grinding disc (16) is located above the fixed grinding disc and matched with the fixed grinding disc (15) to grind stones after primary grinding.

5. The waste rock crushing apparatus of claim 4 wherein: the bottom of the grinding bottom box (1) is provided with a discharge hole (18).

6. The waste rock crushing apparatus of claim 4 wherein: the top of the movable millstone (16) is provided with an upward convex arc surface.

7. The waste rock crushing apparatus according to claim 1, wherein: the U-shaped supporting rod (9) is positioned at the inner side of the screening frame (6).

8. The waste rock crushing apparatus of claim 4 wherein: the grinding power shaft (10) is formed by a rotating shaft (19) connected with a motor (17) and penetrating through a movable grinding disc (16) and an intermittent shaft (20) rotationally connected with the rotating shaft (19), the anti-blocking stirring piece (11) and the blanking stirring piece (24) are arranged on the intermittent shaft (20), an electromagnet (21) is arranged in a groove on the top surface of the rotating shaft (19), a magnet block (22) is arranged in the groove in a sliding penetrating mode, and the electromagnet (21) is repelled with the magnet block (22) after being electrified to push the magnet block (22) to move upwards and insert into a clamping groove formed in the end face of the intermittent shaft (20) above.

9. The waste rock crushing apparatus of claim 8, wherein: the top of the movable millstone (16) is provided with a pressure sensor, and the pressure sensor is electrically connected with an electromagnet (21).