Single-power-source-driven multi-cutter-shaft speed-ratio-adjustable planetary log crushing cutter head

Abstract

The utility model provides a planetary log crushing cutterhead driven by a single power source and provided with multiple cutter shafts and an adjustable speed ratio, and belongs to the technical field of agricultural machinery. The cutter head is simple in layout, exquisite and compact in structure, high in crushing efficiency and high in application universality. A main shaft mechanism of the cutterhead is rotationally erected in a crushing box, a plurality of main shaft crushing cutters are arranged on the main shaft mechanism, meanwhile, a plurality of crushing auxiliary shafts provided with auxiliary shaft crushing cutters are arranged on the main shaft mechanism, and a cutterhead power source drives the main shaft mechanism to rotate and drives the crushing auxiliary shafts to rotate through a planetary gear train. The main shaft mechanism cooperates with the multiple smashing auxiliary shafts to rotate, and smashing machining of wood is achieved. According to the single-power-source design of the cutter head, the structural design of the cutter head is simpler, the energy transportation cost and the energy loss are reduced, and the structural design of the multiple cutter shafts adapts to crushing machining of logs with different machining precision requirements, types and sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, in particular to a planetary log crushing cutter disc with adjustable speed ratio and multiple cutter shafts driven by a single power source. Background Art

[0002] In recent years, with the increase in the use and demand for wood products, the wood processing industry has also developed. In response to the demand, a variety of wood raw material processing equipment has been developed, which can process wood raw materials into various shapes and forms, such as wooden boards, wooden blocks, granular wood chips, wood powder, etc. Among them, wood chips and wood powder are widely used in the production and manufacturing of various items in production and life because of their small particle size and flexible and convenient use. Therefore, the demand for wood chips and wood powder is relatively large. At present, the equipment for producing wood chips and wood powder mostly adopts the form of multi-stage step-by-step processing. The higher the precision required, the more processing steps there are, the overall production efficiency is low, and the energy consumption is large. Therefore, a wood crushing equipment is needed that can flexibly and efficiently process wood. Utility Model Content

[0003] In order to solve the problems existing in the above-mentioned background technology, the utility model provides a planetary log crushing cutter disc with adjustable speed ratio driven by multiple blade shafts with a single power source. The cutter disc has a simple layout, a compact structure, high crushing efficiency and wide application.

[0004] The utility model adopts the following technical scheme to solve the technical problem: a planetary log crushing cutter disc with adjustable speed ratio of multiple cutter shafts driven by a single power source, comprising a cutter disc power source, a main shaft mechanism, a crushing secondary shaft, a crushing box, a crushing box cover, a main shaft crushing tool and a secondary shaft crushing tool, wherein the main shaft mechanism is rotatably mounted in the crushing box, a plurality of main shaft crushing tools are arranged around an axis on the main shaft mechanism, the cutter disc power source is fixedly arranged outside the crushing box, the output end of the cutter disc power source is drivingly connected with the main shaft mechanism, a plurality of crushing secondary shafts are arranged around an axis on the main shaft mechanism, a secondary shaft crushing tool is arranged on each crushing secondary shaft, and the plurality of crushing secondary shafts are drivingly connected with the cutter disc power source, the operation of the cutter disc power source directly drives the main shaft mechanism to rotate, and indirectly drives the plurality of crushing secondary shafts to rotate, the main shaft crushing tool and the secondary shaft crushing tool perform wood crushing processing, the crushing box cover is movable and detachable, and a wood feeding port is provided on the crushing box cover for wood filling.

[0005] The main shaft mechanism is cylindrical as a whole, and a shaft rod is protrudingly provided on one end surface of the main shaft mechanism. The cutter disc power source is drivingly connected to the shaft rod. A plurality of recessed mounting grooves are provided on the cylinder body of the main shaft mechanism, and two main shaft crushing tools can be detachably installed in each mounting groove. A plurality of crushing secondary shafts are correspondingly rotatably installed in each mounting groove, that is, a main shaft crushing tool and a secondary shaft crushing tool are combined in each mounting groove, and a feeding port is provided between the two main shaft crushing tools in each mounting groove, and the wood cut by the main shaft crushing tool enters the mounting groove from the feeding port, and the secondary shaft crushing tool crushes the wood.

[0006] The plurality of placement grooves are alternately arranged close to the two end surfaces of the main shaft mechanism, that is, two circumferentially adjacent placement grooves are respectively close to the two axial end surfaces of the main shaft mechanism.

[0007] Internal gear rings are coaxially arranged at the axial ends of the main shaft mechanism in the crushing box, and sun gears are installed on the shafts protruding from the two end surfaces of the main shaft mechanism. Each of the crushing sub-shafts is provided with planetary gears on the outlet section at the end surface of each main shaft mechanism. The multiple planetary gears located on the same side of the main shaft mechanism are meshed with the sun gear and the internal gear ring on the same side. The cutter disc power source drives the main shaft mechanism to rotate, and drives the crushing sub-shaft to rotate in coordination with the meshing sun gear and planetary gear transmission.

[0008] The cutter disc power source includes a servo motor and a reducer. The output end of the servo motor is drivingly connected to the input end of the reducer, and the output end of the reducer is drivingly connected to the shaft.

[0009] The main shaft crushing tool is detachably mounted on the main shaft mechanism by means of bolts, the secondary shaft crushing tool is in the shape of a disc, and a plurality of secondary shaft crushing tools are coaxially and integrally fixedly arranged on the crushing secondary shaft at equal intervals.

[0010] The shaft is connected with the sun gear key, the grinding countershaft is connected with the planetary gear key, and both the sun gear and the planetary gear are replaceable.

[0011] The beneficial effects of the utility model: the cutter disc adopts multiple structural designs such as single power source, multiple cutter shafts and adjustable speed ratio. A cutter shaft power source transmits power to the spindle mechanism to drive the spindle crushing tool to cut wood. At the same time, the planetary gear system composed of the spindle mechanism and the crushing secondary shaft realizes the structural function of the adjustable speed ratio between multiple cutter shafts. The sun gear spindle mechanism transmits power to the crushing secondary shaft as the planetary gear, and drives the secondary shaft crushing tool to rotate to complete the log crushing movement, which meets the requirements of different log crushing processing accuracy and the crushing processing of different log varieties and different log sizes. It has wider applicability and flexibility and has higher processing efficiency. The design of single power source combined with planetary gear system transmission makes the cutter disc structure design simpler and reduces energy transportation cost and energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In the attached picture:

[0013] Figure 1 It is the axonometric drawing of the general assembly structure of the utility model;

[0014] Figure 2 This is a top view of the general assembly structure of the utility model;

[0015] Figure 3 This is a front view of the general assembly structure of the utility model;

[0016] Figure 4 It is a side view of the general assembly structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the installation layout of the tool of the utility model;

[0018] Figure 6 This is a schematic diagram of the pulverizing spindle mechanism of the utility model;

[0019] Figure 7 This is a schematic diagram of the structure of the main shaft crushing tool of the utility model;

[0020] Figure 8 This is a schematic diagram of the structure of the crushing box of the utility model;

[0021] Fig. 9 This is a schematic diagram of the structure of the crushing box cover of the utility model;

[0022] In the figure: 1. Cutter head power source; 2. Spindle mechanism; 3. Crushing secondary shaft; 4. Crushing box; 5. Crushing box cover; 6. Spindle crushing tool; 7. Secondary shaft crushing tool; 11. Servo motor; 12. Reducer; 21. Shaft; 22. Mounting groove. DETAILED DESCRIPTION

[0023] The utility model is now described in further detail with reference to the accompanying drawings. The accompanying 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.

[0024] A planetary log crushing cutter disc with adjustable speed ratio driven by a single power source and multiple cutter shafts comprises a cutter disc power source 1, a main shaft mechanism 2, a crushing secondary shaft 3, a crushing box 4, a crushing box cover 5, a main shaft crushing tool 6 and a secondary shaft crushing tool 7, wherein the main shaft mechanism 2 is rotatably mounted in the crushing box 4, a plurality of main shaft crushing tools 6 are arranged around the axis on the main shaft mechanism 2, the cutter disc power source 1 is fixedly arranged outside the crushing box 4, the output end of the cutter disc power source 1 is drivingly connected to the main shaft mechanism 2, and a plurality of main shaft crushing tools 6 are arranged around the axis on the main shaft mechanism 2. A plurality of crushing secondary shafts 3 are provided, and a secondary shaft crushing tool 7 is arranged on each crushing secondary shaft 3. The plurality of crushing secondary shafts 3 are all connected to the cutter disc power source 1 in transmission. The operation of the cutter disc power source 1 directly drives the main shaft mechanism 2 to rotate, and indirectly drives the plurality of crushing secondary shafts 3 to rotate. The main shaft crushing tool 6 and the secondary shaft crushing tool 7 perform the wood crushing process. The crushing box cover 5 is a movable detachable cover arranged on the crushing box 4 to ensure that the operator can operate safely. A wood feed port is provided on the crushing box cover 5 for loading wood.

[0025] The main shaft mechanism 2 is cylindrical as a whole, and a shaft rod 21 is protrudingly provided on one end surface of the main shaft mechanism 2. The cutter disc power source 1 is drivingly connected to the shaft rod 21. A plurality of recessed mounting grooves 22 are provided on the barrel of the main shaft mechanism 2, and two main shaft crushing tools 6 can be detachably installed in each mounting groove 22. A plurality of the crushing sub-shafts 3 are correspondingly rotatably installed in each mounting groove 22, that is, a main shaft crushing tool 6 and a sub-shaft crushing tool 7 are combined in each mounting groove 22, and a feeding port is provided between the two main shaft crushing tools 6 in each mounting groove 22, and the wood cut by the main shaft crushing tool 6 enters the mounting groove 22 from the feeding port, and the sub-shaft crushing tool 7 crushes the wood.

[0026] The plurality of placement grooves 22 are alternately arranged close to the two end surfaces of the main shaft mechanism 2, that is, two circumferentially adjacent placement grooves 22 are respectively close to the two axial end surfaces of the main shaft mechanism 2. Four placement grooves 22 are arranged on the cylinder body of the main shaft mechanism 2 of the cutter disc, that is, a total of four crushing sub-shafts 3 need to be arranged.

[0027] In the crushing box 4, internal gear rings are coaxially arranged at the axial ends of the main shaft mechanism 2, and sun gears are installed on the shaft rods 21 protruding from the two end faces of the main shaft mechanism 2. Each of the crushing secondary shafts 3 is provided with planetary gears on the pass-through section at the end face of each main shaft mechanism 2. The multiple planetary gears located on the same side of the main shaft mechanism 2 are meshed with the sun gear and the internal gear ring on the same side to form a planetary gear system, that is, a group of planetary gear systems are provided at the axial end faces of the main shaft mechanism 2, which are used to drive the multiple crushing secondary shafts 3 to rotate, the cutter disc power source 1 drives the main shaft mechanism 2 to rotate, and drives the crushing secondary shaft 3 to rotate in coordination through the meshing sun gear and planetary gear transmission.

[0028] The cutter head power source 1 includes a servo motor 11 and a reducer 12. The output end of the servo motor 11 is drivingly connected to the input end of the reducer 12. The output end of the reducer 12 is drivingly connected to the shaft 21. When the servo motor 11 is started, the reducer 12 drives the spindle mechanism 2 to rotate.

[0029] The main shaft crushing tool 6 is detachably mounted on the main shaft mechanism 2 by means of bolts, and the secondary shaft crushing tool 7 is in the shape of a disc, and a plurality of secondary shaft crushing tools 7 are coaxially and integrally fixedly arranged on the crushing secondary shaft 3 at equal intervals.

[0030] The inner gear ring is detachably connected to the crushing box 4 and the crushing box cover 5 by bolts.

[0031] The shaft 21 is connected to the sun gear key, and the grinding countershaft 3 is connected to the planetary gear key. Both the sun gear and the planetary gear can be replaced, thereby realizing transmission ratio adjustment to meet different processing precision requirements.

[0032] A rolling bearing is provided at each rotational contact position between the grinding auxiliary shaft 3 and the main shaft mechanism 2, and a rolling bearing is provided at each rotational contact position between the main shaft mechanism 2 and the grinding box 4 and the grinding box cover 5.

[0033] Working principle:

[0034] When the wood is crushed, the cutter disc power source 1 is started, and the main shaft mechanism 2 and multiple crushing secondary shafts 3 based on the planetary gear system are used to operate multiple main shaft crushing tools 6 and secondary shaft crushing tools 7, and the wood is put into the crushing box 4 from the feed port, and the main shaft crushing tools 6 and secondary shaft crushing tools 7 crush the wood.

[0035] When the crushing processing accuracy needs to be adjusted, the transmission ratio of the sun gear and the planetary gear in the planetary gear system is adjusted. At this time, the sun gear and the planetary gear can be disassembled and replaced according to the specific processing accuracy requirements.

[0036] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A planetary log crushing cutter disc with adjustable speed ratio and multiple cutter shafts driven by a single power source, characterized in that: The invention comprises a cutter disc power source (1), a main shaft mechanism (2), a crushing secondary shaft (3), a crushing box (4), a crushing box cover (5), a main shaft crushing tool (6) and a secondary shaft crushing tool (7), wherein the main shaft mechanism (2) is rotatably mounted in the crushing box (4), a plurality of main shaft crushing tools (6) are arranged around the axis of the main shaft mechanism (2), the cutter disc power source (1) is fixedly arranged outside the crushing box (4), the output end of the cutter disc power source (1) is drivingly connected to the main shaft mechanism (2), and a plurality of crushing tools (6) are arranged around the axis of the main shaft mechanism (2). A crushing secondary shaft (3), each crushing secondary shaft (3) is provided with a secondary shaft crushing tool (7), and the plurality of crushing secondary shafts (3) are all connected to the cutter head power source (1) in a transmission manner. The operation of the cutter head power source (1) directly drives the main shaft mechanism (2) to rotate, and indirectly drives the plurality of crushing secondary shafts (3) to rotate. The main shaft crushing tool (6) and the secondary shaft crushing tool (7) perform wood crushing processing. The crushing box cover (5) is a movable detachable cover arranged on the crushing box (4), and a wood feed port is provided on the crushing box cover (5) for loading wood.

2. According to claim 1, a planetary log crushing cutter disc with adjustable speed ratio and multiple cutter shafts driven by a single power source, characterized in that: The main shaft mechanism (2) is cylindrical in shape as a whole. A shaft (21) is protrudingly provided on one end surface of the main shaft mechanism (2). The cutter head power source (1) is drivingly connected to the shaft (21). A plurality of recessed placement grooves (22) are provided on the cylinder body of the main shaft mechanism (2). Two main shaft crushing tools (6) can be detachably installed in each placement groove (22). A plurality of crushing secondary shafts (3) are correspondingly rotatably installed in each placement groove (22). That is, a main shaft crushing tool (6) and a secondary shaft crushing tool (7) are combined in each placement groove (22). A material passing port is provided between the two main shaft crushing tools (6) in each placement groove (22). Wood cut by the main shaft crushing tool (6) enters the placement groove (22) from the material passing port, and the secondary shaft crushing tool (7) crushes the wood.

3. According to claim 2, a planetary log crushing cutter disc with adjustable speed ratio and multiple cutter shafts driven by a single power source, characterized in that: The plurality of placement grooves (22) are alternately arranged close to the two end surfaces of the main shaft mechanism (2), that is, two circumferentially adjacent placement grooves (22) are respectively close to the two axial end surfaces of the main shaft mechanism (2).

4. The planetary log crushing cutter disc with adjustable speed ratio driven by multiple cutter shafts driven by a single power source according to claim 3, characterized in that: Internal gear rings are coaxially arranged at the axial ends of the main shaft mechanism (2) in the crushing box (4), and sun gears are installed on the shafts (21) protruding from the two end surfaces of the main shaft mechanism (2). Each crushing secondary shaft (3) is provided with a planetary gear on the protruding section at the end surface of each main shaft mechanism (2). The multiple planetary gears on the same side of the main shaft mechanism (2) are meshed with the sun gear and the internal gear ring on the same side. The cutter head power source (1) drives the main shaft mechanism (2) to rotate, and drives the crushing secondary shaft (3) to rotate through the meshing sun gear and planetary gear transmission.

5. A planetary log crushing cutter disc with adjustable speed ratio driven by multiple cutter shafts by a single power source according to claim 2 or 4, characterized in that: The cutter disc power source (1) comprises a servo motor (11) and a reducer (12); the output end of the servo motor (11) is drivingly connected to the input end of the reducer (12); and the output end of the reducer (12) is drivingly connected to the shaft (21).

6. The planetary log crushing cutter disc with adjustable speed ratio driven by multiple cutter shafts driven by a single power source according to claim 1, characterized in that: The main shaft crushing tool (6) is detachably mounted on the main shaft mechanism (2) by means of bolts, the secondary shaft crushing tool (7) is in the shape of a disc, and a plurality of secondary shaft crushing tools (7) are fixedly arranged coaxially and integrally on the crushing secondary shaft (3) at equal intervals.

7. The planetary log crushing cutter disc with adjustable speed ratio and multiple cutter shafts driven by a single power source according to claim 4, characterized in that: The inner gear ring is detachably connected to the crushing box (4) and the crushing box cover (5) via bolts.

8. The planetary log crushing cutter disc with adjustable speed ratio driven by multiple cutter shafts by a single power source according to claim 4, characterized in that: The shaft (21) is connected to the sun gear key, and the grinding countershaft (3) is connected to the planetary gear key. Both the sun gear and the planetary gear are replaceable.

9. The planetary log crushing cutter disc with adjustable speed ratio and multiple cutter shafts driven by a single power source according to claim 5, characterized in that: A rolling bearing is provided at each rotational contact position between the pulverizing secondary shaft (3) and the main shaft mechanism (2), and a rolling bearing is provided at each rotational contact position between the main shaft mechanism (2) and the pulverizing box (4) and the pulverizing box cover (5).

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