CN112049200B

CN112049200B - Household garbage treatment system

Info

Publication number: CN112049200B
Application number: CN202010861606.XA
Authority: CN
Inventors: 阮少烽; 王炜; 朱淼; 冯如杰; 俞文君
Original assignee: Hangzhou Zhenhong Environmental Technology Co ltd
Current assignee: Hangzhou Zhenhong Environmental Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-10-08
Anticipated expiration: 2040-08-25
Also published as: CN112049200A

Abstract

The invention discloses a household garbage treatment system which comprises a base, a crushing device fixedly arranged on the base, a driving device for driving the crushing device to operate, a feeding hole formed in the crushing device, a feeding device arranged at the feeding hole, and a discharging hole formed in the crushing device, wherein the crushing device is fixedly arranged on the base; the crushing device comprises a grinding assembly and a cutting assembly; the invention improves the effect and efficiency of kitchen waste treatment and crushing, greatly reduces noise and reduces vibration.

Description

Household garbage treatment system

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a household garbage treatment system.

Background

The household kitchen garbage is a big problem which puzzles city managers in various regions, can rot and smell, can cause secondary pollution to recyclable articles such as paper plastics and the like, reduces the recovery rate of waste products, increases the quantity of the urban garbage, and is a main source of the urban garbage. How to properly treat household kitchen garbage is a key for solving urban domestic garbage, a household kitchen garbage processor is installed, garbage is treated well from the source and classified well, and one ton of garbage discharge is reduced every year for each household.

However, the domestic waste disposer who buys on the existing market, its mounting means all fixes the bottom at the basin, make the frame under the kitchen under the cabinet, feed inlet with domestic waste disposer and the discharge gate fixed connection of basin, and seal the processing, also regard as domestic waste disposer and basin as an organic whole to set up, domestic waste disposer is when using, its inside motor is that high-speed rotation drives crushing function's abrasive disc rotates, carry out the breakage to the kitchen garbage who lies in it, can cause noise and vibrations, partial kitchen garbage can follow the abrasive disc and rotate together, the serious influence is to the broken efficiency of kitchen garbage.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the household garbage treatment system, which improves the crushing effect and efficiency of kitchen garbage treatment, greatly reduces noise and reduces vibration.

In order to achieve the purpose, the invention adopts the following technical scheme: the household garbage treating system comprises a base, a crushing device fixedly arranged on the base, a driving device for driving the crushing device to run, a feed inlet arranged on the crushing device, a feeding device arranged at the feed inlet, and a discharge outlet arranged on the crushing device, wherein the crushing device comprises a first side plate and a second side plate fixedly arranged on the base, a left base with two ends fixedly arranged on the first side plate and the second side plate, a first inclined plane arranged on the left base, a first stirring cavity and a second stirring cavity arranged on the left base, a second inclined plane arranged on the left base between the first stirring cavity and the second stirring cavity, a plurality of first clamping grooves equidistantly arranged on the left base, a right base crosswise arranged on the left base with the left base, a third inclined plane arranged on the right base, a third stirring cavity and a fourth stirring cavity arranged on the right base, and a fourth inclined plane arranged between the third stirring cavity and the fourth stirring cavity and arranged on the right base, The device comprises a plurality of first clamping grooves, a plurality of second clamping grooves, a grinding assembly, a cutting assembly, cover plates, an extrusion block and a first electronic telescopic rod, wherein the plurality of first clamping grooves are equidistantly arranged on a right base; the kitchen waste in the water tank enters the crushing device through the feeding device and the feeding hole, the crushing device is driven to operate through the driving device, the kitchen waste in the water tank is crushed through the operating crushing device, and the crushed kitchen waste and sewage are discharged into a sewer from the discharge hole; the kitchen waste in the water tank firstly enters the crushing device through the feeding device and the feeding hole, the crushing device is driven to operate through the driving device, the kitchen waste in the water tank is crushed through the operating crushing device, the crushed kitchen waste and sewage are discharged into a sewer from the discharging hole, the effect and the efficiency of the kitchen waste treatment and crushing are improved, the noise is greatly reduced, the vibration is reduced, the kitchen waste entering the crushing device is guided by the first inclined plane and the third inclined plane, the kitchen waste can be concentrated, the subsequent kitchen waste is convenient to further treat, the kitchen waste is pre-crushed through the grinding assembly, namely, the larger kitchen waste is crushed into small particles, meanwhile, the small particles of the kitchen waste are ground through the grinding assembly, and the ground kitchen waste is further crushed through the cutting assembly, the arrangement improves the crushing effect and efficiency of kitchen waste treatment, the first electronic telescopic rod is started in the working process of the grinding assembly to drive the extrusion block to move up and down quickly, the waste between the extrusion block and the grinding assembly can be pushed to move towards the direction of the grinding assembly by the up-and-down movement of the extrusion block, the treatment of the kitchen waste by the grinding assembly is accelerated, the crushing of the kitchen waste can be realized by the multi-step method, the abrasion of parts can be reduced, the service life of the whole kitchen waste can be prolonged, the ground kitchen waste can be accumulated on the second inclined plane and the fourth inclined plane by the arrangement of the left base and the right base and the arrangement of the second inclined plane and the fourth inclined plane, the further treatment of the ground kitchen waste can be facilitated, meanwhile, the grinding assembly can be automatically cleaned by the arrangement, and the coincidence of the first stirring cavity and the third stirring cavity can be realized by the arrangement of the plurality of the first clamping grooves and the plurality of the second clamping grooves, and the second stirring cavity is superposed with the fourth stirring cavity.

The grinding assembly comprises a first hollow roller and a second hollow roller, wherein the two ends of the first hollow roller and the second hollow roller are rotatably arranged on a first side plate and a second side plate, an equal-distance fixing sleeve is arranged on the first hollow roller and is respectively positioned in a plurality of first clamping grooves, an equal-distance fixing sleeve is arranged on the second hollow roller and is respectively positioned in a plurality of second clamping grooves, a plurality of first through grooves are formed between two adjacent first grinding wheels and are annularly distributed on the first hollow roller, and a plurality of second through grooves are formed between two adjacent second grinding wheels and are annularly distributed on the second hollow roller.

The cutting assembly comprises a first shaft, a second shaft, a plurality of first cutting knife sets, a plurality of second cutting knife sets, a plurality of first guide plates and a plurality of second guide plates, wherein the first shaft is rotatably arranged on the first hollow roller in a penetrating manner, the second shaft is rotatably arranged on the second hollow roller in a penetrating manner, the plurality of first cutting knife sets are arranged on the first shaft, the plurality of second cutting knife sets are arranged on the second shaft, the plurality of first guide plates are fixedly arranged on the first shaft in a spiral distribution manner, the plurality of second guide plates are fixedly arranged on the second shaft in a spiral distribution manner, and the first cutting knife sets and the second cutting knife sets are identical in structure; the first cutting knife group comprises a plurality of first cutters, first cutting edges, second cutting edges and knife points, wherein the first cutters are in one-to-one correspondence with the first through grooves and are fixedly arranged on a first shaft in an annular distribution mode at equal intervals; the first and second shafts rotate at a speed much greater than the speed at which the first and second hollow rollers rotate.

The driving device comprises a first gear, a second gear, a third gear, a fourth gear, a fixed shaft, a hollow shaft, a fifth gear, an internal gear, a sixth gear, a seventh gear, a first gear, a second gear, a third gear, a fourth gear, a fixed shaft, a hollow shaft, a fifth gear, an internal gear, a seventh motor, a sixth gear, an eighth gear, a sixth gear and a first gear, wherein the fixed sleeve is arranged on the first hollow roller, the fixed sleeve is arranged on the second hollow roller and is meshed with the first gear, the fixed sleeve is arranged on the second hollow roller, the fixed shaft is fixedly arranged on the base, the hollow shaft is rotatably sleeved on the fixed shaft, the fifth gear is meshed with the third gear, the internal gear is fixedly arranged on the hollow shaft, the seventh gear is rotatably arranged on the base, and the eighth gear is meshed with the sixth gear and the first gear.

The invention has the following advantages: at first, the kitchen waste in the water tank passes through the feeding device and enters the crushing device through the feeding hole, the crushing device is driven to run through the driving device, the kitchen waste in the water tank is crushed through the running crushing device, the kitchen waste and sewage after being crushed are discharged into a sewer from the discharge hole, the effect and the efficiency of crushing the kitchen waste are improved, and the noise and the vibration reduction are greatly reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a structural sectional view taken along line a-a of fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 2.

Fig. 5 is a sectional view taken along line C-C of fig. 2.

Fig. 6 is a cross-sectional view taken along line D-D of fig. 2.

Fig. 7 is a sectional view taken along line E-E of fig. 2.

Fig. 8 is a cross-sectional view taken along line K-K of fig. 7.

Fig. 9 is a partial sectional view of the structure taken along line L-L in fig. 8.

Fig. 10 is a schematic structural view of the left base.

Fig. 11 is a schematic structural view of the right base.

Fig. 12 is a partial structural schematic diagram of the present invention.

Fig. 13 is a partial structural view of the cutting assembly.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in FIGS. 1-13, a household garbage disposal system comprises a base 1, a crushing device 2 fixedly arranged on the base, a driving device 3 for driving the crushing device to operate, a feeding port 4 arranged on the crushing device, a feeding device 5 arranged at the feeding port, and a discharging port 6 arranged on the crushing device, wherein the crushing device 2 comprises a first side plate 21 and a second side plate 22 fixedly arranged on the base, a left base 23 with two ends fixedly arranged on the first side plate and the second side plate, a first inclined plane 24 arranged on the left base, a first stirring cavity 25 and a second stirring cavity 26 arranged on the left base, a second inclined plane 27 arranged between the first stirring cavity and the second stirring cavity and arranged on the left base, a plurality of first clamping grooves 28 equidistantly arranged on the left base, a right base 29 crosswise arranged on the left base with the left base, and a third inclined plane 210 arranged on the right base, A third stirring cavity 211 and a fourth stirring cavity 212 which are arranged on the right base, a fourth inclined plane 213 which is arranged between the third stirring cavity and the fourth stirring cavity and is arranged on the right base, a plurality of second clamping grooves 214 which are equidistantly arranged on the right base, a grinding component 215 which is arranged in the first stirring cavity and the second stirring cavity, a cutting component 216 which is arranged in the grinding component, a cover plate 229 which is arranged on the left base and the right base, an extrusion block 230 which is movably arranged on the cover plate, and a first electronic telescopic rod 231 which is used for driving the extrusion block to move up and down, wherein the first stirring cavity is superposed with the third stirring cavity, and the second stirring cavity is superposed with the fourth stirring cavity; firstly, kitchen waste in a water tank enters a crushing device through a feeding device and a feeding hole, the crushing device is driven to operate through a driving device, the kitchen waste in the water tank is crushed through the operating crushing device, the crushed kitchen waste and sewage are discharged into a sewer from a discharging hole, the crushing effect and efficiency of the kitchen waste treatment are improved, noise is greatly reduced, vibration is reduced, the kitchen waste entering the crushing device is guided through a first inclined plane and a third inclined plane, the kitchen waste can be concentrated, the subsequent kitchen waste is further treated, the kitchen waste is pre-crushed through a grinding assembly, namely, the larger kitchen waste is crushed into small particles, meanwhile, the small kitchen waste is ground through a grinding assembly, and the kitchen waste after grinding treatment is further crushed through a cutting assembly, the arrangement improves the crushing effect and efficiency of kitchen waste treatment, the first electronic telescopic rod is started in the working process of the grinding assembly to drive the extrusion block to move up and down quickly, the waste between the extrusion block and the grinding assembly can be pushed to move towards the direction of the grinding assembly by the up-and-down movement of the extrusion block, the treatment of the kitchen waste by the grinding assembly is accelerated, the crushing of the kitchen waste can be realized by the multi-step method, the abrasion of parts can be reduced, the service life of the whole kitchen waste can be prolonged, the ground kitchen waste can be accumulated on the second inclined plane and the fourth inclined plane by the arrangement of the left base and the right base and the arrangement of the second inclined plane and the fourth inclined plane, the further treatment of the ground kitchen waste can be facilitated, meanwhile, the grinding assembly can be automatically cleaned by the arrangement, and the coincidence of the first stirring cavity and the third stirring cavity can be realized by the arrangement of the plurality of the first clamping grooves and the plurality of the second clamping grooves, and the second stirring cavity is superposed with the fourth stirring cavity.

The grinding assembly 215 comprises a first hollow roller 217 and a second hollow roller 218, wherein two ends of the first hollow roller 217 and the second hollow roller 218 are rotatably arranged on the first side plate and the second side plate, a plurality of first grinding wheels 219 are fixedly sleeved on the first hollow roller at equal intervals and are respectively positioned in a plurality of first clamping grooves, a plurality of second grinding wheels 220 are fixedly sleeved on the second hollow roller at equal intervals and are respectively positioned in a plurality of second clamping grooves, a plurality of first through grooves 221 are formed between two adjacent first grinding wheels and are annularly distributed on the first hollow roller at equal intervals, a plurality of second through grooves 222 are formed between two adjacent second grinding wheels and are annularly distributed on the second hollow roller at equal intervals, and the plurality of first grinding wheels and the plurality of second grinding wheels are staggered and rotate relatively; the first hollow roller and the second hollow roller are respectively driven to rotate relatively by the driving device, the plurality of first grinding wheel fixing sleeves are arranged on the first hollow roller so as to enable the plurality of first grinding wheels to rotate, the plurality of second grinding wheel fixing sleeves are arranged on the second hollow roller so as to enable the plurality of second grinding wheels to rotate, even if the plurality of first grinding wheels and the plurality of second grinding wheels rotate relatively, the plurality of first grinding wheels and the plurality of second grinding wheels are arranged in a staggered manner so as to shear and crush the kitchen waste, the plurality of first grinding wheels and the plurality of second grinding wheels are arranged from the first stirring cavity to the second stirring cavity so as to grind the kitchen waste, the ground kitchen waste enters the first hollow roller and the second hollow roller through the first through groove and the second through groove, and the kitchen waste can be pulled to move towards the direction of the kitchen waste through the first grinding wheels and the second grinding wheels which rotate relatively, the kitchen waste is convenient to grind and treat, and the grinding efficiency is improved.

The cutting assembly 216 comprises a first shaft 223 rotatably penetrating the first hollow roller, a second shaft 224 rotatably penetrating the second hollow roller, a plurality of first cutting knife sets 225 arranged on the first shaft, a plurality of second cutting knife sets 226 arranged on the second shaft, a plurality of first guide plates 233 fixedly arranged on the first shaft in a spiral distribution manner, and a plurality of second guide plates 234 fixedly arranged on the second shaft in a spiral distribution manner, wherein the first cutting knife set and the second cutting knife set have the same structure; the first cutting knife set 225 comprises a plurality of first cutting knives 232, first knife edges 235, second knife edges 227 and knife edges 228, wherein the first cutting knives are in one-to-one correspondence with the plurality of first through grooves and are fixedly arranged on a first shaft in an annular distribution mode at equal intervals; the rotating speed of the first shaft and the second shaft is far greater than that of the first hollow roller and the second hollow roller; the driving device drives the first shaft and the second shaft to rotate relatively, so that a plurality of groups of first cutting knife sets on the first shaft and a plurality of groups of cutting knife sets on the second shaft rotate relatively, the first shaft and the first hollow roller rotate in the same direction, and the second shaft and the second hollow roller rotate in the same direction; the rotating speed of the first shaft and the second shaft is far higher than that of the first hollow roller and the second hollow roller, so that kitchen waste entering the first through groove and the second through groove can be crushed again through the first cutting knife group and the second cutting knife group, the crushing effect is greatly improved, the kitchen waste gradually enters the first hollow roller through the first through groove, the kitchen waste is crushed through the first cutting edge and the second cutting edge, the kitchen waste can be moved to two sides through the first cutting edge and the second cutting edge, the abrasion of the first cutting edge and the second cutting edge can be effectively reduced under the condition of crushing the kitchen waste, the first cutting knife can be rapidly inserted into the kitchen waste through the knife tip arrangement, the kitchen waste is sharper, the kitchen waste located in the first hollow roller and the second hollow roller can be moved to the discharge port through the arrangement of the plurality of first guide plates and the plurality of second guide plates, finally, the crushed material is discharged from a discharge hole and enters a sewer.

The driving device 3 comprises a first gear 31 fixedly sleeved on the first hollow roller, a second gear 32 fixedly sleeved on the second hollow roller and meshed with the first gear, a third gear 33 fixedly sleeved on the first shaft, a fourth gear 34 fixedly sleeved on the second shaft and meshed with the third gear, a fixed shaft 35 fixedly arranged on the base, a hollow shaft 36 rotatably sleeved on the fixed shaft, a fifth gear 37 rotatably sleeved on the hollow shaft and meshed with the third gear, an internal gear 38 fixedly sleeved on the hollow shaft, a sixth gear 39 fixedly sleeved on the hollow shaft, a seventh gear 310 respectively meshed with the fifth gear and the internal gear, a first motor 311 for driving the seventh gear to rotate, and an eighth gear 312 rotatably arranged on the base and meshed with the sixth gear and the first gear respectively; the seventh gear is driven by the first motor to rotate in the forward direction and is respectively meshed with the fifth gear and the internal gear, so that the internal gear rotates in the forward direction and rotates in the reverse direction, the fifth gear is meshed with the third gear so that the third gear rotates in the forward direction, the third gear is fixedly sleeved on the first shaft so that the first shaft rotates in the forward direction, the third gear is meshed with the fourth gear so that the second shaft rotates in the reverse direction, even if the first shaft and the second shaft rotate relatively, the hollow shaft is driven to rotate in the rotating process of the internal gear so that the sixth gear on the hollow shaft rotates, the sixth gear is meshed with the eighth gear so that the eighth gear rotates in the reverse direction, the eighth gear is meshed with the first gear so that the first gear rotates in the forward direction, and the first gear is fixedly arranged on the first hollow roller so that the first hollow roller rotates in the forward direction, first gear and second gear meshing to make second gear antiport, the fixed cover of second gear is located on the hollow roller of second, thereby make the hollow roller antiport of second, first hollow roller and the hollow roller of second rotate relatively promptly, the internal gear number of teeth is more than the fifth gear number of teeth, thereby make first gear rotational speed be less than third gear revolve, finally realized primary shaft and secondary shaft relative rotation, primary shaft and first hollow roller syntropy rotate, secondary shaft and the hollow roller syntropy of second rotate, primary shaft and secondary shaft pivoted speed are far greater than first hollow roller and the hollow roller pivoted speed of second, accomplish the drive to breaker.

The feeding device 5 comprises a first square pipe 51, a second square pipe 52 fixedly arranged on the first square pipe, a round pipe 53 fixedly arranged on the second square pipe, a first plug board 54 movably inserted into the first square pipe, a second electronic telescopic rod 55 used for driving the first plug board to move, a first chamfer 56 arranged at the front end of the first plug board, a movable plate 57 movably arranged on the side wall of the second square pipe, a second plug board 58 movably arranged on the movable plate, a second chamfer 59 arranged at the front end of the second plug board, a first slide rail 510 arranged on the first square pipe, a second slide rail 511 movably arranged on the first slide rail, a third electronic telescopic rod 512 fixedly arranged on the second slide rail and used for driving the second plug board to move, and a fourth electronic telescopic rod 513 used for driving the second slide rail to move; kitchen waste in the water tank enters a second square pipe through a circular pipe, the second inserting plate is driven to move towards the second direction pipe through a third electronic telescopic rod, a second sliding rail is driven to move downwards through a fourth electronic telescopic rod, a third electronic telescopic rod on the second sliding rail moves downwards, the second inserting plate moves downwards, so that a moving plate moves downwards, the moving plate keeps the sealing of the second square pipe in the moving downwards process, the second inserting plate is located in the second square pipe and moves downwards, kitchen waste in the second square pipe is pushed to move downwards in the moving downwards process of the second inserting plate, the crushing device is inflated in the moving downwards process of the second inserting plate, the pressure in the crushing device is increased, the sewage and the crushed kitchen waste can rapidly pass through the crushing device to avoid the blockage, after the second inserting plate moves to the lower end of the second square pipe, the second electronic telescopic rod drives the first inserting plate to move, so that the first inserting plate is inserted into the first square pipe, the first square pipe is sealed, the second inserting plate is driven to reset through the third electronic telescopic rod, the second sliding rail is driven to move upwards through the fourth electronic telescopic rod after the second inserting plate is reset, and finally the second inserting plate moves upwards and resets, so that the garbage in the second square pipe moves towards one direction, namely moves towards the crushing device, meanwhile, the sealing can be ensured, the peculiar smell is prevented from flowing out of the circular pipe, gas is continuously flushed into the crushing device in the working process, the kitchen garbage in the second square pipe is prevented from entering the crushing device through manual insertion of a rod into the second square pipe, the service performance is high and safe, the front end of the first inserting plate can be sheared through the first chamfer, the kitchen garbage can be cut off, the front surface of the second inserting plate can be sheared through the second chamfer, the sealing of the first inserting plate and the second inserting plate is improved, and the sealing effect caused by foreign matters in the position is prevented from being poor, the maximum internal diameter of the first square pipe is larger than the maximum internal diameter of the second square pipe, and the maximum internal diameter of the second square pipe is larger than the internal diameter of the circular pipe, so that kitchen waste in the water tank is more and more smooth when passing through the concentrate device, and the connection positions of the first square pipe, the second square pipe and the third square pipe can form steps to facilitate cutting of the first inserting plate and the second inserting plate, so that the kitchen waste can be cut conveniently.

The first motor is commercially available.

Claims

1. A system for the treatment of household waste, characterized by: including base (1), fixed breaker (2) of locating on the base, drive arrangement (3) for driving the breaker operation, feed inlet (4) of locating on the breaker, feed arrangement (5) of locating feed inlet department, discharge gate (6) of locating on the breaker, breaker (2) are including fixed first curb plate (21) and second curb plate (22) of locating on the base, left base (23) on first curb plate and the second curb plate are fixed to both ends, first inclined plane (24) of locating on the left base, first stirring chamber (25) and second stirring chamber (26) of locating on the left base, second inclined plane (27) of locating on the left base between first stirring chamber and the second stirring chamber, a plurality of first draw-in grooves (28) of locating on the left base of equidistance, locate right base (29) on the left base with left base alternately, locate third inclined plane (210) on the right base, The device comprises a third stirring cavity (211) and a fourth stirring cavity (212) which are arranged on a right base, a fourth inclined surface (213) which is arranged between the third stirring cavity and the fourth stirring cavity and is arranged on the right base, a plurality of second clamping grooves (214) which are equidistantly arranged on the right base, a grinding assembly (215) which is arranged in the first stirring cavity and the second stirring cavity, a cutting assembly (216) which is arranged in the grinding assembly, cover plates (229) which are arranged on the left base and the right base, an extrusion block (230) which is movably arranged on the cover plates, and a first electronic telescopic rod (231) which is used for driving the extrusion block to move up and down, wherein the first stirring cavity is superposed with the third stirring cavity, and the second stirring cavity is superposed with the fourth stirring cavity; the grinding assembly (215) comprises a first hollow roller (217) and a second hollow roller (218), two ends of the first hollow roller (217) and the second hollow roller are rotatably arranged on the first side plate and the second side plate, a plurality of first grinding wheels (219) which are fixedly sleeved on the first hollow roller at equal intervals and are respectively positioned in a plurality of first clamping grooves, a plurality of second grinding wheels (220) which are fixedly sleeved on the second hollow roller at equal intervals and are respectively positioned in a plurality of second clamping grooves, a plurality of first through grooves (221) which are positioned between two adjacent first grinding wheels and are annularly distributed on the first hollow roller at equal intervals, and a plurality of second through grooves (222) which are positioned between two adjacent second grinding wheels and are annularly distributed on the second hollow roller at equal intervals, wherein the plurality of first grinding wheels and the plurality of second grinding wheels are staggered and relatively rotate; the cutting assembly (216) comprises a first shaft (223) which is rotatably arranged on the first hollow roller in a penetrating mode, a second shaft (224) which is rotatably arranged on the second hollow roller in a penetrating mode, a plurality of first cutting knife sets (225) which are arranged on the first shaft in a penetrating mode, a plurality of second cutting knife sets (226) which are arranged on the second shaft in a penetrating mode, a plurality of first guide plates (233) which are fixedly arranged on the first shaft in a spiral distribution mode, and a plurality of second guide plates (234) which are fixedly arranged on the second shaft in a spiral distribution mode, and the first cutting knife sets and the second cutting knife sets are identical in structure; the first cutting knife group (225) comprises a plurality of first cutters (232), first cutting edges (235), second cutting edges (227) and knife points (228), wherein the first cutters (232) correspond to the first through grooves in a one-to-one mode and are distributed in an annular mode at equal intervals and fixedly arranged on a first shaft, the first cutting edges (235) and the second cutting edges (227) are arranged on the first cutters, the first shaft and a second shaft rotate relatively, the first shaft and the first hollow roller rotate in the same direction, and the second shaft and the second hollow roller rotate in the same direction; the first and second shafts rotate at a speed much greater than the speed at which the first and second hollow rollers rotate.

2. A system for the treatment of household waste, according to claim 1, characterized in that: the driving device (3) comprises a first gear (31) fixedly sleeved on the first hollow roller, a second gear (32) fixedly sleeved on the second hollow roller and meshed with the first gear, a third gear (33) fixedly sleeved on the first shaft, a fourth gear (34) fixedly sleeved on the second shaft and meshed with the third gear, a fixed shaft (35) fixedly arranged on the base, and a hollow shaft (36) rotatably sleeved on the fixed shaft, the hollow shaft is rotatably sleeved with a fifth gear (37) which is meshed with the third gear, an internal gear (38) which is fixedly sleeved on the hollow shaft, a sixth gear (39) which is fixedly sleeved on the hollow shaft, a seventh gear (310) which is respectively meshed with the fifth gear and the internal gear, a first motor (311) which is used for driving the seventh gear to rotate, and an eighth gear (312) which is rotatably arranged on the base and is respectively meshed with the sixth gear and the first gear.