CN219902539U - Timber reducing mechanism - Google Patents

Abstract

The utility model discloses a wood crushing device, and relates to the technical field of wood processing. The wood crushing device comprises a support, a primary crushing chamber is arranged on the support, a double-shaft crushing mechanism is arranged in the primary crushing chamber, a feed channel is arranged above the primary crushing chamber, a curtain plate is arranged on the feed channel, a hopper is arranged below the primary crushing chamber, and a secondary crushing device is communicated below the hopper. This timber reducing mechanism can effectively avoid timber to receive when extrudeing outwards splashes, guarantees staff's safety, can improve ligneous crushing efficiency and crushing effect simultaneously.

Description

Timber reducing mechanism

Technical Field

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

Background

The biomass pellet fuel is generally prepared from waste biomass materials such as wood chips, straws, sawdust or barks through the processes of crushing, drying, granulating and the like.

The existing wood smashing device comprises a single-shaft smashing structure and a double-shaft smashing mechanism, when the existing wood smashing device is used, wood to be processed is placed into the device, and in the smashing process, the wood is extruded to be splashed outwards, production accidents are easy to occur, meanwhile, a large amount of dust can be generated in the smashing process, the efficiency is low, the smashing effect is poor, and therefore the wood smashing device is designed for the problems.

Disclosure of Invention

The object of the present utility model is to solve the above problems and to this end we provide a wood crushing device.

The technical scheme adopted by the embodiment of the utility model is as follows: the utility model provides a timber reducing mechanism, includes the support, install the one-level on the support and smash the room, be equipped with biax crushing mechanism in the one-level is smashed the room, the top of one-level is smashed the room and is equipped with feed channel, install the curtain board on the feed channel, the below of one-level is smashed the room is equipped with the hopper, the below intercommunication of hopper has the secondary reducing mechanism.

Preferably, the secondary crushing device comprises a guide cylinder, a driving device is arranged at one end of the guide cylinder, a discharge hole is arranged at one end, close to the driving device, of the guide cylinder, a rotating shaft is arranged on the driving device, a plurality of cutterheads are arranged on the rotating shaft, and cutters are arranged on the cutterheads.

Preferably, the cutterhead is spirally arranged.

Further, the cutter is obliquely arranged.

Preferably, a dust removing fan is arranged on the outer side of the primary crushing chamber, and the output end of the dust removing fan is communicated with the guide cylinder through a guide pipe.

Preferably, the double-shaft crushing mechanism comprises two mounting shafts, wherein flywheels are mounted on the mounting shafts, the two flywheels on the mounting shafts are sequentially and alternately arranged, crushing teeth are detachably connected to the flywheels, and gears are mounted at the end parts of the mounting shafts.

Preferably, concave edges are arranged on the crushing teeth, and the concave edges of the crushing teeth on the two mounting shafts are arranged in opposite directions.

Preferably, the shutter slats are flexible plastic slats.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the secondary crushing mechanism is arranged, so that the timber can be crushed for a plurality of times, the crushing effect of the timber is improved, and meanwhile, the curtain plate is arranged on the feeding channel, so that the distance between the double-shaft crushing mechanism and the feeding port is increased, the timber can be effectively prevented from splashing in the crushing process, and the safety of staff is ensured.

2. According to the utility model, the dust removal fan is arranged, so that the working environment of workers can be effectively improved.

Drawings

FIG. 1 is a schematic front view of a wood pulverizing apparatus according to the present utility model;

FIG. 2 is a schematic perspective view of a wood crushing apparatus according to the present utility model;

FIG. 3 is a schematic view showing the internal structure of a secondary pulverizing apparatus in a wood pulverizing apparatus according to the present utility model;

fig. 4 is a schematic structural view of a double-shaft pulverizing mechanism in a wood pulverizing apparatus according to the present utility model.

In fig. 1-4: 1. a bracket; 2. a primary crushing chamber; 21. a double-shaft crushing mechanism; 211. a mounting shaft; 212. a flywheel; 213. crushing teeth; 214. a gear; 215. a concave edge; 3. a feed channel; 31. curtain plate; 4. a hopper; 5. a secondary crushing device; 51. a guide cylinder; 52. a driving device; 53. a discharge port; 54. a rotating shaft; 55. a cutterhead; 56. a cutter; 6. a dust removal fan; 61. a catheter.

Detailed Description

The utility model will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.

The embodiment of the utility model provides a wood smashing device, as shown in fig. 1-4, the wood smashing device comprises a support 1, a first-stage smashing chamber 2 is arranged on the support 1, a double-shaft smashing mechanism 21 is arranged in the first-stage smashing chamber 2, a feeding channel 3 is arranged above the first-stage smashing chamber 2, a curtain plate 31 is arranged on the feeding channel 3, the curtain plate 31 is a plastic soft plate, when feeding, a worker sends wood needing smashing into the first-stage smashing chamber 2 from a feeding port of the feeding channel 3, the double-shaft smashing mechanism 21 in the first-stage smashing chamber 2 carries out preliminary smashing on the wood to form blocky wood, the feeding channel 3 increases the distance between the double-shaft smashing mechanism 21 and the feeding port, so that the wood can be effectively prevented from splashing in the primary smashing process, the safety of the worker is guaranteed, meanwhile, the plastic soft plate also plays a role of blocking, the safety of the worker is further guaranteed, the worker can observe the operation condition in the first-stage smashing chamber 2 through the plastic soft plate, a hopper 4 is arranged below the first-stage smashing chamber 2, the hopper 4 is communicated with a secondary smashing device 5, the blocky wood enters the secondary smashing device from the secondary smashing device through the 4, the secondary smashing device is good in smashing effect, and the secondary smashing effect is achieved.

As shown in fig. 3, the secondary pulverizing device 5 includes a guide cylinder 51, a driving device 52 (motor) is mounted at one end of the guide cylinder 51, a discharge port 53 is provided at one end of the guide cylinder 51 near the driving device 52, a rotation shaft 54 is mounted on the driving device 52, a plurality of cutterheads 55 are mounted on the rotation shaft 54, and a cutter 56 is mounted on the cutterhead 55. After the first-stage crushed timber enters the guide cylinder 51, the driving device 52 is started to drive the cutter head 55 to rotate, and the cutters 56 on the cutter head 55 crush the blocky timber secondarily.

Meanwhile, the cutter head 55 is spirally arranged, the cutter 56 is obliquely arranged, specifically speaking, when the rotating shaft 54 rotates, the cutter head 55 and the cutter 56 are combined to act together, so that on one hand, the crushing of blocky timber can be accelerated, the crushing effect is improved, on the other hand, the cutter head 55 and the cutter 56 form a spiral pushing structure, timber can be pushed simultaneously, crushed wood chips are pushed to the discharge hole 53, and the timber is prevented from being accumulated in the guide cylinder 51.

In addition, in order to improve the working environment of the staff, as shown in fig. 1, a dust removing fan 6 is arranged at the outer side of the primary crushing chamber 2, the output end of the dust removing fan 6 is communicated with the guide cylinder 51 through a conduit 61, a large amount of dust is generated when wood is crushed in the primary crushing chamber 2, the dust generated in the primary crushing chamber 2 is absorbed when the dust removing fan 6 works and is discharged into the guide cylinder 51, and finally the dust is discharged from the discharge port 53 together with the wood dust subjected to secondary crushing treatment.

In addition, as shown in fig. 4, the above-mentioned biax crushing mechanism 21 includes two installation shafts 211, install flywheel 212 on the installation shaft 211, flywheel 212 on two installation shafts 211 set gradually alternately, be connected with broken tooth 213 on the flywheel 212 detachably, gear 214 is installed to the tip of installation shaft 211, flywheel 212 can produce great power at its during operation owing to inertial effect, guarantee that timber can be effectively extruded broken, simultaneously, flywheel 212 of alternate setting can improve its crushing effect, and gear 214 can drive the synchronous rotation of installation shaft 211, further improve extrusion effect, guarantee that timber can be effectively extruded broken.

Further, the concave edges 215 are arranged on the crushing teeth 213, the concave edges 215 of the crushing teeth 213 on the two mounting shafts 211 are arranged in opposite directions, so that the concave edges 215 play a limiting role on wood, the rolling and sliding of the wood on the upper portion of the flywheel 212 are avoided, the wood is ensured to be effectively extruded and crushed, and the extrusion effect is improved.

The embodiments of the present utility model described above do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.

Claims (8)

1. The utility model provides a timber reducing mechanism, includes the support, install one-level crushing room on the support, its characterized in that: the utility model discloses a grinding machine, including the first-level crushing room, the first-level crushing room is equipped with biax crushing mechanism, the top of first-level crushing room is equipped with feed channel, install the curtain on the feed channel, the below of first-level crushing room is equipped with the hopper, the below intercommunication of hopper has second grade reducing mechanism.

2. A wood pulverizing apparatus according to claim 1, wherein: the secondary crushing device comprises a guide cylinder, a driving device is arranged at one end of the guide cylinder, a discharge hole is formed in one end, close to the driving device, of the guide cylinder, a rotating shaft is arranged on the driving device, a plurality of cutterheads are arranged on the rotating shaft, and cutters are arranged on the cutterheads.

3. A wood pulverizing apparatus according to claim 2, wherein: the cutterhead is arranged in a spiral mode.

4. A wood pulverizing apparatus according to claim 3, wherein: the cutter is obliquely arranged.

5. A wood pulverizing apparatus according to claim 2, wherein: the outside of the primary crushing chamber is provided with a dust removal fan, and the output end of the dust removal fan is communicated with the guide cylinder through a guide pipe.

6. A wood pulverizing apparatus according to claim 1, wherein: the double-shaft crushing mechanism comprises two mounting shafts, wherein flywheels are mounted on the mounting shafts, the two flywheels on the mounting shafts are sequentially and alternately arranged, crushing teeth are detachably connected to the flywheels, and gears are mounted at the ends of the mounting shafts.

7. A wood pulverizing apparatus according to claim 6, wherein: the crushing teeth are provided with concave edges, and the concave edges of the crushing teeth on the two mounting shafts are arranged in opposite directions.

8. A wood pulverizing apparatus according to claim 1, wherein: the curtain plate is a plastic soft plate.