CN211887227U - A kind of comminutor - Google Patents

Abstract

The utility model discloses a pulverizer, including the hopper that is used for receiving cuttings material and thick piece, be used for the coarse crushing mechanism of coarse crushing cuttings material and be used for the meticulous broken grinding mechanism in small, coarse crushing mechanism is by coarse crushing arm, coarse crushing tooth A and coarse crushing tooth B are constituteed, coarse crushing tooth A and coarse crushing tooth B are installed on the inner wall of hopper, the grinding mechanism in small, broken bits includes the rotatory blade disc that at least one center was arranged and the fixed gear who arranges along the rotatory blade disc periphery, the fixed gear sets up on rotatory blade disc outlying frame top, still be equipped with the thick and thin piece discharge port in the frame, the outer wall of hopper sets up the sensor, drive arrangement is connected to the sensor electricity. The utility model discloses a fixed fluted disc has two sections constitutions at least, and two sections fixed fluted discs can separate the removal, if big material piece such as iron sheet or work piece gets into reducing mechanism, fixed fluted disc can separate the removal, if the thick piece gets into rubbing crusher, then can open these section separations of constituteing the fixed fluted disc to discharge the thick piece.

Description

A kind of comminutor

Technical Field

The utility model relates to a machining makes technical field, specifically is a rubbing crusher.

Background

The existing conventional chip crusher is mainly a horizontal toothed roller crusher and a hammer crusher, but the two types of crushers are not designed aiming at the field of chips originally, have great defects when being applied to chip treatment, and are difficult to meet the crushing requirement of metal chips. Because the crushing mechanisms of the crushers are all in a fixed toothed roller structure, when large material blocks fall into chips, such as iron sheets or tool parts and the like, and enter the crushers, the large material blocks can cause the crushing mechanisms to be clamped, and the equipment is overloaded and blocked. To remove these large pieces, the equipment needs to be manually opened and then the large pieces removed manually, which requires considerable down time. In addition, irreparable damage to the crushing mechanism can occur, and there is a safety risk in removing these large pieces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pulverizer, the utility model discloses a fixed fluted disc has two sections constitutions at least, and two sections fixed fluted discs can separate the removal, if big material piece such as iron sheet or work piece gets into reducing mechanism, and fixed fluted disc can separate the removal, if the thick piece gets into the rubbing crusher, then can open these section separations of constituteing the fixed fluted disc to discharge the thick piece, solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pulverizer, including the hopper that is used for receiving cuttings material and thick piece, be used for the coarse crushing mechanism of coarse crushing cuttings material and be used for the fine crushing grinding mechanism in small, the hopper sets up in the frame, be equipped with coarse crushing mechanism in the hopper, coarse crushing mechanism comprises coarse crushing arm, coarse crushing tooth A and coarse crushing tooth B are installed on the inner wall of hopper, coarse crushing arm connects in the pivot of motor, the below of hopper sets up the grinding mechanism in small, fine crushing grinding mechanism includes the rotatory blade disc that at least one center was arranged and the fixed tooth dish of arranging along the rotatory blade disc periphery, rotatory blade disc is installed in the pivot of motor, the fixed tooth dish sets up at the peripheral frame top of rotatory blade disc, still be equipped with the thick and thin piece discharge port in the frame, the outer wall of hopper sets up the sensor, the sensor is electrically connected with the driving device.

Further, the fixed gear disc of the fine crushing and grinding mechanism is equally divided into two sections, and the two sections can move outwards.

Furthermore, the working teeth of the fixed gear disc of the fine crushing and grinding mechanism are divided into three tooth sections, and the three tooth sections can also move outwards.

Further, a slidable knife holder is provided at the bottom of the hopper, and a movable portion of the fixed gear plate is mounted below or on the side of the slidable knife holder.

Further, the sliding blade holder may also be hydraulically driven or connected to a drive motor via a mechanical linkage.

Further, the drive means comprise an electrically, hydraulically or pneumatically driven motor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a pulverizer, including the hopper that is used for receiving cuttings material and thick piece, be used for the coarse crushing mechanism of coarse crushing cuttings material and be used for the fine crushing grinding mechanism in small, broken bits that is broken in small, wherein fine grinding mechanism includes the rotatory blade disc that at least one center was arranged, is provided with fixed disk at rotatory blade disc circumference, and rotatory blade disc mutually supports with fixed disk and constitutes fine grinding mechanism and carry out the grinding in small, broken bits to the smear metal. The fixed gear plate is composed of at least two sections which can move separately. If large pieces of iron or work pieces enter the crushing device, the fixed toothed disc can be moved separately, and if coarse pieces enter the crusher, the segments constituting the fixed toothed disc can be opened separately to discharge the coarse pieces.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of a two-part fine grinding mechanism of the present invention;

FIG. 3 is a schematic view of a three-part fine grinding mechanism according to the present invention;

fig. 4 is a schematic diagram of the detecting part of the present invention.

In the figure: 10. a frame; 11. a hopper; 12. a coarse crushing mechanism; 13. a coarse crushing arm; 14. coarsely crushing teeth A; 15. coarsely crushing teeth B; 16. rotating the cutter head; 17. an electric motor; 18. fixing a gear disc; 18.1, fine fixed rings; 18.2, screws; 18.3, sliding tool rest; 18.4, a cylinder; 20. a fine grinding mechanism; 22. roughly crushing the chip material; 23. a coarse and fine debris discharge port; 24. a thick part; 25. a sensor; 26. a drive device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a pulverizer comprises a hopper 11 for receiving cutting materials 22 and coarse pieces 24, a coarse crushing mechanism 12 for coarse crushing the cutting materials 22, and a fine crushing grinding mechanism 20 for fine crushing, the hopper 11 is disposed on a frame 10, the coarse crushing mechanism 12 is disposed in the hopper 11, the coarse crushing mechanism 12 is composed of a coarse crushing arm 13, coarse crushing teeth a14, and coarse crushing teeth B15, the coarse crushing teeth a14 and the coarse crushing teeth B15 are mounted on the inner wall of the hopper 11, the coarse crushing arm 13 is connected to a rotating shaft of a motor 17, the fine crushing grinding mechanism 20 is disposed below the hopper 11, the fine crushing grinding mechanism 20 comprises at least one rotating cutter 16 disposed at the center and a fixed cutter 18 disposed along the periphery of the rotating cutter 16, the rotating cutter 16 is mounted on the rotating shaft of the motor 17, the fixed cutter 18 is disposed at the top end of the frame 10 at the periphery of the rotating cutter 16, the bottom of the hopper 11 is provided with a slidable cutter holder, a movable part of the fixed disk 18 is arranged below or on the side surface of a sliding cutter frame, the sliding cutter frame can open the fine crushing grinding mechanism 20 to discharge large material blocks, the sliding cutter frame can be driven electrically or pneumatically, the sliding cutter frame can also be driven by hydraulic pressure or is connected to a driving motor through a mechanical linkage mechanism, in the latter case, the mechanical linkage mechanism opens the fixed disk 18 of the fine crushing grinding mechanism 20 when the driving motor rotates reversely, the fixed disk 18 of the fine crushing grinding mechanism 20 is divided into two sections which can move outwards, so that the crushing device can open a very large channel section, the coarse member 24 can be discharged through the section without obstructing the work of the fine crushing grinding mechanism, and a coarse and fine debris discharge port 23 is arranged on the machine frame 10, the outer wall of the hopper 11 is provided with a sensor 25 for sensing the coarse parts 24 in the hopper 11 and generating a control signal to open the sections of the fixed gear disk 18, alternatively, the coarse parts 24 can be judged by monitoring the torque change of the grinding mechanism and then generating a corresponding control signal, alternatively, the presence of the large parts can be detected by detecting the load change of the motor or the hydraulic driving device and generating a corresponding control signal according to the detected load change to open the coarse part discharging mechanism, the sensor 25 is electrically connected with a driving device 26, the sensor 25 can also generate a control signal for opening the movable section of the fixed gear disk of the fine grinding mechanism according to the overload condition of the motor determined by monitoring the torque of the motor or the working current change of the motor, and the driving device 26 comprises an electric, hydraulic or pneumatic driven motor.

The sensor 25 arranged at the side wall is a photoelectric switch, chips can be stirred by the coarse crushing arm 13 and rotate along with the coarse crushing arm under the condition that the crusher is not mixed with large lumps to cause blockage, the photoelectric switch sensor 25 can detect a continuously changed signal generated by rotation of the coarse crushing arm, when the coarse crushing arm 13 is clamped due to existence of coarse matters, the changed signal disappears along with the rotation, a detection time length is set in the PLC control system, and the existence of the coarse matters is judged if the signal of the sensor 25 is not changed within the set time length.

The inner surface of the slide carriage 18.3 is aligned with the inner surface of the hopper 11 and the slide carriage 18.3 is mounted in and slidable within a discharge channel in the bottom of the hopper 11. A portion of the fine stationary ring 18.1 fits into a mounting groove in the bottom of the sliding tool holder 18.3 and is secured to both by screws 18.2. In the present embodiment, the sliding tool post 18.3 is driven to slide back and forth by a cylinder 18.4. The cylinder 18.3 is fixed to the frame 10 by screws.

The chips 22 to be crushed are poured into the hopper 11, and the chips 22 are held by the coarse crushing arm 13 to rotate in the hopper 11, and are reduced in size by the shearing and tearing of the coarse crushing teeth a14 and the coarse crushing teeth B15 so as to be fed into the fine crushing mechanism 20. Below the coarse crushing arm 13, the coarsely crushed and reduced chip material 22 enters a fine crushing and grinding mechanism, where it is processed into short chips, which, after passing through the fine crushing and grinding mechanism 20, are discharged through a rotatable coarse and fine chip discharge opening 23, which coarse and fine chip discharge opening 23 serves to guide the finely crushed short chips to a transport container (not shown).

If a coarse member 24 (e.g., a slug, tool or part) enters the hopper 11, it will also be captured by the coarse breaker arm 13, coarse breaker teeth A14 and coarse breaker teeth B15 or the fine comminution mechanism 20. The sensor 25 is used to generate a control signal to turn on the discharge fine grinding means 20 when the coarse pieces enter the crushing device. The sensor 25 recognizes the presence of the coarse pieces and then emits a detection signal, by the action of which the movable section of the fixed disk 18 of the fine grinding mechanism opens so that the coarse pieces 24 can pass through the fine grinding mechanism to the coarse and fine debris discharge 23. The drive 26 may comprise an electrically, hydraulically or pneumatically driven motor for opening the movable section of the stationary disk 18 of the fine grinding mechanism 20.

Example 2

Referring to fig. 1 and 3, the present embodiment is different from embodiment 1 in that the working teeth of the fixed gear 18 of the fine grinding mechanism 20 are divided into three tooth segments, and the three tooth segments can also move outwards, thereby opening the discharging passage of the coarse member 24 of the fine grinding mechanism 20.

In summary, the following steps: the utility model discloses a pulverizer, including the hopper 11 that is used for receiving cuttings material 22 and thick part 24, be used for the coarse crushing mechanism 12 of coarse crushing cuttings material 22 and be used for the fine crushing grinding mechanism 20 in small, broken bits that finely grinds 20, wherein fine grinding mechanism 20 includes that at least one center arranges rotatory blade disc 16, is provided with fixed disk 18 at rotatory blade disc 16 circumference, and rotatory blade disc 16 mutually supports with fixed disk 18 and constitutes fine grinding mechanism 20 and carry out the grinding in small, broken bits. The fixed toothed disc 18 is composed of at least two sections which can be moved separately. If large pieces of iron or work pieces enter the crushing device, the fixed toothed disc 18 can be moved separately, and if coarse pieces enter the crusher, the segments that make up the fixed toothed disc 18 can be opened separately to discharge the coarse pieces.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (6)

1. A pulverizer comprising a hopper (11) for receiving a chip material (22) and a coarse piece (24), a coarse crushing mechanism (12) for coarsely crushing the chip material (22), and a fine crushing grinding mechanism (20) for finely crushing, characterized in that: hopper (11) set up in frame (10), be equipped with coarse crushing mechanism (12) in hopper (11), coarse crushing mechanism (12) comprises coarse crushing arm (13), coarse crushing tooth A (14) and coarse crushing tooth B (15), install on the inner wall of hopper (11) coarse crushing tooth A (14) and coarse crushing tooth B (15), coarse crushing arm (13) are connected in the pivot of motor (17), the below of hopper (11) sets up fine crushing grinding mechanism (20), fine crushing grinding mechanism (20) include rotatory blade disc (16) that at least one center was arranged and fixed gear disc (18) of arranging along rotatory blade disc (16) periphery, install in the pivot of motor (17) rotatory blade disc (16), fixed gear disc (18) set up in rotatory blade disc (16) outlying frame (10) top, still be equipped with thickness piece discharge port (23) on frame (10), and a sensor (25) is arranged on the outer wall of the hopper (11), and the sensor (25) is electrically connected with a driving device (26).

2. A pulverizer as defined in claim 1, wherein: the fixed gear disc (18) of the fine crushing and grinding mechanism (20) is equally divided into two sections which can move outwards.

3. A pulverizer as defined in claim 1, wherein: the working teeth of the fixed gear disc (18) of the fine crushing and grinding mechanism (20) are divided into three tooth sections, and the three tooth sections move outwards.

4. A pulverizer as defined in claim 1, wherein: the bottom of the hopper (11) is provided with a slidable carriage, and a movable part of the fixed toothed disc (18) is mounted below or on the side of the slidable carriage.

5. A pulverizer as defined in claim 4, wherein: the sliding blade holder is driven hydraulically or is connected to a drive motor via a mechanical linkage.

6. A pulverizer as defined in claim 1, wherein: the drive device (26) comprises an electrically, hydraulically or pneumatically driven motor.

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