CN212421894U - Injection molding excess material crushing device - Google Patents
Injection molding excess material crushing device Download PDFInfo
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- CN212421894U CN212421894U CN202020643465.XU CN202020643465U CN212421894U CN 212421894 U CN212421894 U CN 212421894U CN 202020643465 U CN202020643465 U CN 202020643465U CN 212421894 U CN212421894 U CN 212421894U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model provides a clout breaker moulds plastics relates to the broken field of rubbish. The injection molding excess material crushing device comprises a base, a main shell, a coarse material crushing mechanism and a fine material crushing mechanism, wherein a feeding hole and a discharging hole are formed in the main shell; the fine material crushing mechanism comprises a fine material crushing main shaft, a first movable cutter and a first fixed cutter, a first interval used for shearing crushed materials is arranged between the first movable cutter and the first fixed cutter, a filter material screen is further arranged between a first crushing bin and a discharge port, the filter material screen is covered on the outer side of the fine material crushing main shaft, and the discharge port is connected with an adsorption mechanism used for sucking fine materials. Two-stage coarse and fine crushing processes are designed, so that the crushing efficiency and the discharging fineness of the injection molding excess material are improved; the accumulation of fine materials can be reduced through the adsorption mechanism, the whole machine mechanism is simple, and the output efficiency is higher.
Description
Technical Field
The utility model relates to a broken technical field of rubbish especially relates to a clout breaker moulds plastics.
Background
In the injection molding manufacturing, the plastic product usually generates redundant waste materials after being molded, and the injection molding residual materials generally need to be crushed so as to be convenient for subsequent recycling.
For example, the Chinese utility model patent with the publication number of CN208645763U and publication number of 2019.03.26 discloses a waste crushing device for injection molding, and specifically discloses a waste crushing device which sequentially comprises a crushing mechanism, a grinding mechanism and a screw output mechanism according to the processing sequence, wherein the crushing mechanism comprises a crushing cylinder and two crushing rollers movably arranged in the crushing cylinder, and the output end of a material conveying channel of the crushing cylinder extends to the grinding mechanism; the grinding mechanism comprises a grinding box, a grinding motor and a grinding disc, wherein the grinding motor is installed at the top of the inner side of the grinding box in a lifting mode through a lifting assembly, the grinding disc is in transmission connection with the grinding motor, a feeding hole is formed in the side face of the grinding box, a discharging pipe is arranged at the bottom of the grinding box, and the discharging pipe is connected to the screw output mechanism. Pour the waste material into from the feeding storehouse, carry out preliminary cutting breakage by the crushing roller, in the waste material entering grinding box after the breakage, grind the waste material and smash, realize the measurement output through screw rod output structure at last.
The waste crushing device for injection molding in the prior art is provided with a crushing mechanism and a grinding mechanism, but the structure of the grinding mechanism is complex, the actual grinding treatment efficiency is low, and crushed aggregates cannot be effectively discharged out of a grinding box by adopting screw output. In conclusion, the existing crushing device has the problems of complex structure of the whole machine and low crushing treatment and output efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide an clout breaker moulds plastics to there is the problem that complete machine structure is complicated, broken handle and output efficiency are low in solving current breaker.
The utility model discloses a clout breaker moulds plastics's technical scheme does:
the injection molding excess material crushing device comprises a base, a main shell, a coarse material crushing mechanism and a fine material crushing mechanism, wherein a feeding hole and a discharging hole are formed in the main shell, a first crushing bin close to the discharging hole and a second crushing bin close to the feeding hole are arranged in the main shell, and the first crushing bin is communicated with the second crushing bin;
the broken mechanism of thin material includes the broken main shaft of thin material, installs the epaxial first sword that moves of the broken main shaft of thin material, and install first stationary knife in first broken storehouse, first move the sword with be equipped with the first interval that is used for cuting the crushed aggregates between the first stationary knife, first broken storehouse with still be equipped with the filter material screen cloth between the discharge gate, the filter material screen cloth cover is located the outside position of the broken main shaft of thin material, the discharge gate is connected with the adsorption apparatus who is used for pumping the thin material.
Has the advantages that: the second crushing bin is directly communicated with the first crushing bin, and a two-stage coarse crushing and fine crushing process is designed by utilizing the coarse material crushing treatment of the coarse material crushing mechanism in the second crushing bin and the fine material crushing treatment of the fine material crushing mechanism in the first crushing bin, so that the crushing efficiency of the injection molding excess material is improved, and the final discharging fineness is ensured; broken mechanism of thin material adopts the first mode of operation that moves sword and first definite sword and cut crushed aggregates, the purpose of the further high-efficient broken handle of coarse material has been realized, and set up the filter material screen cloth between first broken storehouse and discharge gate, broken mechanism of thin material can be cut breakage to the great crushed aggregates of granularity constantly, broken to setting for the mesh of granularity's thin material from the filter material screen cloth and leaking to the discharge gate down, adsorption structure is connected to the discharge gate, can be thorough through adsorption mechanism, discharge the thin material high-efficiently, the piling up of thin material in first broken storehouse and discharge gate department has been reduced, complete machine mechanism is simple and broken handle and output efficiency are higher.
Furthermore, the main case includes upper housing and lower housing, down the casing with upper housing releasable connection, the broken storehouse of second sets up in the upper housing, first broken storehouse sets up the butt joint position of lower housing and upper housing, the discharge gate with the filter material screen cloth sets up respectively on the casing down.
Furthermore, the filter material screen is movably arranged in the lower shell and is an arc-shaped screen matched with the rotating outline of the first movable knife.
Furthermore, the first movable knife is adjustably mounted on the fine material crushing main shaft, and a knife adjusting structure is arranged between the first movable knife and the fine material crushing main shaft.
Furthermore, a first cutter holder is arranged on the fine material crushing main shaft, a pressing plate and a pressing bolt which are used for pressing the first movable cutter are arranged on the first cutter holder, and an adjusting long hole through which the pressing bolt penetrates is formed in the first movable cutter; the cutter adjusting structure is a cutter adjusting bolt, the cutter adjusting bolt is matched with the first movable cutter in a jacking mode, and the axis direction of the cutter adjusting bolt is parallel to the length direction of the adjusting long hole.
Furthermore, the coarse material crushing mechanism comprises a coarse material crushing main shaft, a second movable cutter and a second fixed cutter, wherein the second movable cutter is arranged on the coarse material crushing main shaft, the second fixed cutter is arranged in a second crushing bin, the second movable cutter and the second fixed cutter are arranged in a staggered and spaced mode in the axis direction of the coarse material crushing main shaft, and a second space for shearing crushed materials is formed between the second movable cutter and the second fixed cutter.
Furthermore, still install pushing equipment on the mainframe shell, pushing equipment includes pushes away material driving piece and pushing equipment, pushing equipment removes the assembly and is in one side in the broken storehouse of second.
Furthermore, an assembly groove is formed in the side wall of the host shell, the material pushing structure is a material pushing box movably installed in the assembly groove, a pushing plate is arranged on one side, close to the coarse material crushing main shaft, of the material pushing box, and a material pushing bulge is arranged on the pushing plate.
Furthermore, a material pushing inclined plane is arranged in the second crushing bin corresponding to the assembly groove, and the material pushing inclined plane extends downwards in an inclined manner towards the direction close to the coarse material crushing main shaft.
Furthermore, the pushing plate is arranged obliquely to the pushing inclined plane, and an acute angle included angle facing the coarse material crushing main shaft is formed between the pushing plate and the pushing inclined plane.
Drawings
Fig. 1 is a schematic view of an internal structure of an injection molding residue crushing device according to embodiment 1 of the injection molding residue crushing device of the present invention;
FIG. 2 is an enlarged, fragmentary, schematic view of the first crushing bin of FIG. 1;
fig. 3 is a partially enlarged schematic view of the second crushing bin of fig. 1.
In the figure: 1-machine base, 2-main machine shell, 20-feed inlet, 21-discharge outlet, 22-first crushing bin, 23-second crushing bin, 24-upper shell, 25-lower shell, 26-assembly groove, 27-discharge bin hopper, 3-fine crushing mechanism, 30-fine crushing main shaft, 300-first knife holder, 31-first movable knife, 32-first fixed knife, 33-knife adjusting bolt, 34-pressing plate, 35-pressing bolt, 36-filter material screen, 37-screen bracket, 4-coarse crushing mechanism, 40-coarse crushing main shaft, 41-second movable knife, 42-second fixed knife, 5-material pushing mechanism, 50-material pushing box, 51-material pushing driving piece and 52-material pushing plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses a concrete embodiment 1 of the injection molding clout breaker, as shown in fig. 1 to fig. 3, the injection molding clout breaker includes a frame 1, a main case 2, a coarse material breaker 4 and a fine material breaker 3, the main case 2 is provided with a feed inlet 20 and a discharge outlet 21, the main case 2 is provided with a first breaking bin 22 near the discharge outlet 21 and a second breaking bin 23 near the feed inlet 20, the first breaking bin 22 is communicated with the second breaking bin 23; in this embodiment, the feeding hole 20 is disposed at the upper side of the main casing 2, the discharging hole 21 is disposed at the lower side of the main casing 2, the feeding hole 20 and the discharging hole 21 are communicated to form a crushing channel, the first crushing bin 22 is located at the lower part of the crushing channel, and the second crushing bin 23 is located at the upper part of the crushing channel. The injection molding residual material enters the crushing channel through the feeding hole 20, the coarse material is crushed in the second crushing bin 23, then the coarse material enters the first crushing bin to finish crushing the fine material, and finally the fine material is discharged from the discharging hole 21.
The fine material crushing mechanism 3 comprises a fine material crushing main shaft 30, a first movable knife 31 mounted on the fine material crushing main shaft 30, and a first fixed knife 32 mounted in the first crushing bin 22. Specifically, the first movable blades 31 are circumferentially arranged outside the fine material crushing main shaft 30 at intervals, the first fixed blades 32 are arranged at the outer side of the first movable blades 31 at intervals, a first interval for shearing crushed materials is arranged between the first movable blades 31 and the first fixed blades 32, and the size of the first interval determines the fineness of fine material crushing. Still be equipped with filter material screen cloth 36 between first crushing storehouse 22 and discharge gate 21, filter material screen cloth 36 covers the outside position of locating the broken main shaft 30 of thin material, and discharge gate 21 is connected with the adsorption mechanism (not shown in the figure) that is used for pumping the thin material, and the adsorption mechanism is the aspiration pump, pumps the fine material that smashes to outside main frame shell 2 from first crushing storehouse 22 through the aspiration pump.
In order to facilitate the maintenance and the adjustment of the fine material crushing mechanism 3, the main casing 2 comprises an upper casing 24 and a lower casing 25, the lower casing 25 and the upper casing 24 are detachably connected, a second crushing bin 23 is arranged in the upper casing 24, a first crushing bin 22 is arranged at the butt joint position of the lower casing 25 and the upper casing 25, and a discharge port 21 and a filter material screen 36 are respectively arranged on the lower casing 25. Specifically, be provided with the support on frame 1, casing 25 is upper portion open-ended groove structure down, and casing 25 rotates down to be installed on the support, and casing 25 can overturn the action for the support down to thereby form confined broken passageway with casing 25 spiral-lock down at the downside of last casing 24, and thereby open first broken storehouse 22 with casing 25 and the 24 splits of last casing down, the staff of being convenient for carries out corresponding adjustment operation to the broken mechanism 3 of thin material.
In order to improve the flexibility of fine material degree adjustment, the filter material screen 36 is movably installed in the lower housing 25, and the filter material screen 36 is an arc-shaped screen matched with the rotating outer contour of the first movable knife 31. And, movable mounting has screen cloth bracket 37 in lower casing 25, and filter material screen cloth 36 fixed mounting is on screen cloth bracket 37, can be earlier with lower casing 25 and the split of last casing 24 to take out filter material screen cloth 36 from screen cloth bracket 37, with the realization change the filter material screen cloth of different mesh sizes, thereby reach the purpose of adjusting broken ejection of compact fineness. Correspondingly, the first movable knife 31 of the fine material crushing mechanism 3 is adjustably mounted on the fine material crushing main shaft 30, a knife adjusting structure is further arranged between the first movable knife 31 and the fine material crushing main shaft 30, the position of the first movable knife 31 is adjusted through the knife adjusting structure so as to meet the requirement of changing the size of the crushed fine material, and the size of the crushed fine material corresponds to the size of meshes of the filter material screen 36 in a good matching manner. In addition, a discharging hopper 27 is arranged at the lower part of the lower shell 25, the section of the discharging hopper 27 is V-shaped, and the crushed fine materials are guided and discharged to the discharging port 21 through the discharging hopper 27.
In this embodiment, the fine material crushing main shaft 30 is provided with three first tool apron 300, three first tool apron 300 are uniformly distributed on the outer side of the fine material crushing main shaft 30 in the circumferential direction, and a plurality of groups of first tool apron 300 are arranged along the axial direction of the fine material crushing main shaft 30; the first knife holder 300 is provided with a pressing plate 34 and a pressing bolt 35 for pressing the first movable knife 31, the first movable knife 31 is provided with an adjusting long hole for the pressing bolt 35 to penetrate through, the knife adjusting structure is a knife adjusting bolt 33, the knife adjusting bolt 33 is in top pressing fit with the first movable knife 31, and the axial direction of the knife adjusting bolt 33 is parallel to the length direction of the adjusting long hole. The hold-down bolt 35 penetrates through the adjustment long hole of the first movable knife 31, and the first movable knife 31 is fastened on the first knife holder 300 through the hold-down plate 34 and the hold-down bolt 35, and because the blade of the first movable knife 31 is easy to wear, in order to ensure the reliability of fine material crushing, the knife adjustment bolt 33 needs to be operated to eject the first movable knife 31, so that the purpose of outwards adjusting the position of the first movable knife 31 is realized.
The coarse material crushing mechanism 4 comprises a coarse material crushing main shaft 40, a second movable knife 41 mounted on the coarse material crushing main shaft 40, and a second fixed knife 42 mounted in the second crushing bin 23, the second movable knife 41 and the second fixed knife 42 on the coarse material crushing main shaft 40 are arranged in a staggered and spaced mode along the axial direction of the coarse material crushing main shaft 40, and a second space for shearing crushed materials is arranged between the second movable knife 41 and the second fixed knife 42. The second movable cutters 41 and the second fixed cutters 42 are arranged at intervals in a staggered mode along the axial direction of the coarse material crushing main shaft 40, when the coarse material crushing main shaft 40 rotates, the second movable cutters 41 on the coarse material crushing main shaft 40 shear and rotate relative to the second fixed cutters 42, block-shaped injection molding excess materials are subjected to shearing and crushing treatment, and the whole block of injection molding excess materials are crushed into crushed coarse materials. It should be noted that the machine base 1 is further provided with a first motor and a second motor, the first motor drives the fine material crushing main shaft 30 to rotate, and the second motor drives the coarse material crushing main shaft 40 to rotate, so that the coarse and fine two-stage crushing processes are performed synchronously.
And a pushing mechanism 5 is further mounted on the main case, the pushing mechanism 5 comprises a pushing driving piece 51 and a pushing structure, and the pushing structure is movably assembled on one side of the second crushing bin 23. The side wall of the main case 2 is provided with an assembly groove 26, the material pushing structure is a material pushing box 50 movably installed in the assembly groove 26, one side of the material pushing box 50 close to the coarse material crushing main shaft 40 is provided with a pushing plate 52, and a material pushing bulge is arranged on the pushing plate 52. Specifically, the material pushing driving part 51 is a hydraulic oil cylinder, a cylinder body of the hydraulic oil cylinder is fixedly connected with the main case 2, a push rod of the hydraulic oil cylinder is connected with the material pushing box 50, the material pushing box 50 is in guiding fit with the assembly groove 26, and the material pushing box 50 and the pushing plate 52 are driven by the hydraulic oil cylinder to move close to or far away from the coarse material crushing main shaft 40, so that the whole injection molding residual material is pushed and pressed on the second movable knife 41 of the coarse material crushing main shaft 40, and effective shearing and crushing treatment is realized.
A pushing inclined plane 230 is arranged in the second crushing bin 23 corresponding to the assembly groove 26, and the pushing inclined plane 230 extends obliquely downwards towards the direction close to the coarse material crushing main shaft 41. The material pushing inclined plane 230 extending obliquely downwards is arranged, so that more injection molding excess materials are gathered and pushed to the coarse material crushing main shaft 40, and the coarse material crushing efficiency of the coarse material crushing mechanism 4 is improved. Moreover, the pushing plate 52 of the pushing box 50 is arranged obliquely to the pushing inclined plane 230, an acute included angle towards the coarse material crushing main shaft 40 is formed between the pushing plate 52 and the pushing inclined plane 230, and the acute included angle is formed between the pushing plate 52 and the pushing inclined plane 230, so that the massive injection molding residual material can reliably contact the coarse material crushing main shaft 40 during pushing, and the problems of material block jumping and low material consumption efficiency are avoided.
The second crushing bin 23 is directly communicated with the first crushing bin 22, and two-stage coarse and fine crushing processes are designed by using the coarse material crushing treatment of the coarse material crushing mechanism 4 in the second crushing bin 23 and the fine material crushing treatment of the fine material crushing mechanism 3 in the first crushing bin 22, so that the crushing efficiency of injection molding excess materials is improved, and the final discharging fineness is ensured; broken mechanism 3 of thin material adopts the first mode of operation that moves sword 31 and first definite sword 32 and cut crushed aggregates, realized the purpose to the further high-efficient crushing treatment of coarse fodder, and set up filter material screen cloth 36 between first broken storehouse 22 and discharge gate 21, broken mechanism 3 of thin material can be to the great crushed aggregates of granularity constantly shear breakage, broken to setting for the fineness leaks to discharge gate 21 from filter material screen cloth 36's mesh down, adsorption structure is connected to discharge gate 21, can be thorough through adsorption mechanism, discharge fine material high-efficiently, the piling up of fine material in first broken storehouse 22 and discharge gate 21 department has been reduced, the simple and crushing treatment of complete machine mechanism and output efficiency are higher.
The utility model discloses an other concrete embodiment of clout breaker moulds plastics, in order to adapt to different user demands, coarse fodder crushing mechanism not only is limited to the structural style in concrete embodiment 1, still can be with coarse fodder crushing mechanism design for the broken mechanism of double roll formula, and the clout is broken into the coarse fodder through two pairs of rollers with cubic clout of moulding plastics to supply the further broken handle of fine material crushing mechanism. Alternatively, the coarse material crushing mechanism can be designed as a four-roller crushing mechanism, and the primary coarse material crushing function can be achieved as well.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. An injection molding excess material crushing device is characterized by comprising a base, a main machine shell, a coarse material crushing mechanism and a fine material crushing mechanism, wherein a feeding hole and a discharging hole are formed in the main machine shell;
the broken mechanism of thin material includes the broken main shaft of thin material, installs the epaxial first sword that moves of the broken main shaft of thin material, and install first stationary knife in first broken storehouse, first move the sword with be equipped with the first interval that is used for cuting the crushed aggregates between the first stationary knife, first broken storehouse with still be equipped with the filter material screen cloth between the discharge gate, the filter material screen cloth cover is located the outside position of the broken main shaft of thin material, the discharge gate is connected with the adsorption apparatus who is used for pumping the thin material.
2. An injection molding residue crushing device according to claim 1, wherein the main casing comprises an upper casing and a lower casing, the lower casing is detachably connected with the upper casing, the second crushing bin is arranged in the upper casing, the first crushing bin is arranged at a butt joint position of the lower casing and the upper casing, and the discharge port and the filter material screen are respectively arranged on the lower casing.
3. An injection molding residue crushing device as claimed in claim 2, wherein the filter material screen is movably mounted in the lower housing, and the filter material screen is an arc-shaped screen matched with the rotating outer contour of the first movable knife.
4. An injection molding residue crushing device according to claim 1, wherein the first movable cutter is adjustably mounted on the fine material crushing main shaft, and a cutter adjusting structure is further arranged between the first movable cutter and the fine material crushing main shaft.
5. An injection molding residue crushing device according to claim 4, wherein a first cutter holder is arranged on the fine crushing main shaft, a pressing plate and a pressing bolt for pressing the first movable cutter are arranged on the first cutter holder, and an adjusting long hole for the pressing bolt to penetrate through is formed in the first movable cutter; the cutter adjusting structure is a cutter adjusting bolt, the cutter adjusting bolt is matched with the first movable cutter in a jacking mode, and the axis direction of the cutter adjusting bolt is parallel to the length direction of the adjusting long hole.
6. The injection molding residue crushing device according to claim 1, wherein the coarse material crushing mechanism comprises a coarse material crushing main shaft, a second movable cutter mounted on the coarse material crushing main shaft, and a second fixed cutter mounted in the second crushing bin, the second movable cutter and the second fixed cutter are arranged in a staggered and spaced mode along the axial direction of the coarse material crushing main shaft, and a second space for shearing crushed materials is arranged between the second movable cutter and the second fixed cutter.
7. An injection molding residue crushing device as claimed in claim 6, wherein a pushing mechanism is further mounted on the main case, the pushing mechanism comprises a pushing driving member and a pushing structure, and the pushing structure is movably assembled on one side of the second crushing bin.
8. An injection molding residue crushing device as claimed in claim 7, wherein the side wall of the main casing is provided with an assembly groove, the material pushing structure is a material pushing box movably mounted in the assembly groove, a pushing plate is arranged on one side of the material pushing box close to the coarse material crushing main shaft, and a material pushing protrusion is arranged on the pushing plate.
9. An injection molding residue crushing device according to claim 8, wherein a pushing inclined surface is provided in the second crushing bin corresponding to the fitting groove, and the pushing inclined surface extends obliquely downward in a direction close to the coarse material crushing main shaft.
10. An injection molding residue crushing device according to claim 9, wherein the pushing plate is arranged obliquely to the pushing slope, and an acute included angle towards the coarse material crushing main shaft is formed between the pushing plate and the pushing slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020643465.XU CN212421894U (en) | 2020-04-24 | 2020-04-24 | Injection molding excess material crushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020643465.XU CN212421894U (en) | 2020-04-24 | 2020-04-24 | Injection molding excess material crushing device |
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| Publication Number | Publication Date |
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| CN212421894U true CN212421894U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020643465.XU Active CN212421894U (en) | 2020-04-24 | 2020-04-24 | Injection molding excess material crushing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633873A (en) * | 2020-04-24 | 2020-09-08 | 广州市联冠机械有限公司 | Injection molding excess material crushing device |
| CN113102083A (en) * | 2021-04-29 | 2021-07-13 | 长沙紫宸科技开发有限公司 | Domestic waste and living beings reducing mechanism |
-
2020
- 2020-04-24 CN CN202020643465.XU patent/CN212421894U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633873A (en) * | 2020-04-24 | 2020-09-08 | 广州市联冠机械有限公司 | Injection molding excess material crushing device |
| CN113102083A (en) * | 2021-04-29 | 2021-07-13 | 长沙紫宸科技开发有限公司 | Domestic waste and living beings reducing mechanism |
| CN113102083B (en) * | 2021-04-29 | 2024-10-15 | 长沙紫宸科技开发有限公司 | Household garbage and biomass crushing device |
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