CN221310927U - Milling device and milling machine of air-cooled double-millstone structure - Google Patents
Milling device and milling machine of air-cooled double-millstone structure Download PDFInfo
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- CN221310927U CN221310927U CN202322961760.6U CN202322961760U CN221310927U CN 221310927 U CN221310927 U CN 221310927U CN 202322961760 U CN202322961760 U CN 202322961760U CN 221310927 U CN221310927 U CN 221310927U
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- 238000003801 milling Methods 0.000 title claims abstract description 22
- 238000000227 grinding Methods 0.000 claims abstract description 93
- 238000007599 discharging Methods 0.000 claims abstract description 36
- 239000000112 cooling gas Substances 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000001179 sorption measurement Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000010298 pulverizing process Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims 1
- 235000004237 Crocus Nutrition 0.000 abstract description 15
- 241000596148 Crocus Species 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a grinding device with an air-cooled double-grinding disc structure, which comprises two closed grinding cavities, wherein a fixed cutter assembly and a movable cutter assembly are arranged in each grinding cavity, each fixed cutter assembly comprises a fixed cutter and a circular fixed cutter seat, each fixed cutter seat is fixed in the corresponding grinding cavity, each movable cutter assembly comprises a movable cutter and a movable cutter seat, each movable cutter and each movable cutter seat are fixedly arranged on a main shaft in a penetrating way, each main shaft extends out of the corresponding grinding cavity and is driven by a driving mechanism, a feeding pipe is arranged outside the grinding cavity at one side of each fixed cutter assembly, each feeding pipe is communicated with an inner hole of the fixed cutter assembly in the corresponding grinding cavity, each grinding cavity is provided with a discharging pipe, and each discharging pipe is connected with a negative pressure adsorption discharging mechanism; each milling chamber is connected with a cooling gas input pipe. The utility model has the advantages that: the cooling effect is good, has effectively improved crocus quality and crocus efficiency, effectively prolongs the life of moving the sword simultaneously.
Description
Technical Field
The utility model relates to the technical field of grinding equipment, in particular to a pulverizer.
Background
The pulverizer is widely applied to a plurality of fields of metallurgy, building materials, chemical industry, mineral products and the like, and is used for pulverizing large particles into powder with different particle sizes according to processing requirements.
The milling machine mainly includes milling equipment, and milling equipment's structure includes: the utility model provides a inclosed crocus cavity, is provided with stationary knife subassembly and moves the knife tackle in the crocus cavity, stationary knife subassembly including stationary knife and stationary knife seat, the stationary knife install on stationary knife seat, move the knife tackle including moving the knife and moving the knife seat, move the knife tackle and install on the main shaft, the main shaft stretches out the crocus cavity and is driven by actuating mechanism, the crocus cavity of stationary knife subassembly one side is equipped with the inlet pipe outward, inlet pipe and stationary knife subassembly hole intercommunication, the top of crocus cavity be connected with negative pressure adsorption equipment.
During long-term milling operations, the applicant has found that conventional mills and the milling devices therein suffer from the following drawbacks: 1. only one grinding device is arranged in one grinding machine, the grinding efficiency is low, customers can only purchase two or more grinding machines to improve the grinding efficiency, the production cost is greatly increased, and a plurality of devices naturally and greatly increase the installation space required by workshops. 2. The movable knife assembly rotates at a high speed relative to the fixed knife assembly to carry out grinding work, a large amount of heat can be generated in the grinding process, the cooling effect of the movable knife at present is poor, the service life of the movable knife is directly influenced, and meanwhile, the quality and the production efficiency of products are greatly influenced.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a milling equipment and milling machine of two mill structures of air-cooled, its work efficiency of this milling equipment and milling machine improves greatly, and life effectively prolongs.
In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a milling equipment of air-cooled two mill structures, including two inclosed crocus cavity, all be provided with stationary knife subassembly and movable knife subassembly in every crocus cavity, every stationary knife subassembly is including annular stationary knife and annular stationary knife seat, every stationary knife is fixed on the stationary knife seat of fixed installation, every stationary knife seat is fixed in corresponding crocus cavity, every movable knife subassembly is including annular movable knife and annular movable knife seat, every movable knife is installed on movable knife seat, every movable knife and movable knife seat wear to be fixed mounting on a main shaft, every main shaft stretches out corresponding crocus cavity and is driven by actuating mechanism, the crocus cavity outside of every stationary knife subassembly one side all is provided with the inlet pipe, every inlet pipe all is linked together with the stationary knife subassembly hole in the corresponding crocus cavity, thereby send the material to between stationary knife and the movable knife, every crocus cavity all is provided with row material pipe, every row material pipe all is connected with negative pressure absorption ejection of compact mechanism; each of the pulverizing chambers is connected with a cooling gas input pipe for inputting cooling gas.
Further, the above-mentioned milling device with a double-millstone structure, wherein the structure of the movable blade holder in each movable blade assembly comprises: the movable tool apron comprises a movable tool apron body, wherein one side of the movable tool apron body, used for installing a movable tool, is provided with a mounting convex ring and a flange ring, which are protruded out of the movable tool apron body, the flange ring is arranged around an inner hole of the movable tool apron body, the mounting convex ring is arranged around the outer edge of the movable tool apron body, a plurality of openings are formed in the periphery of the mounting convex ring at intervals, the mounting convex ring is divided into a plurality of mounting convex blocks by the openings, and a plurality of air inlet through holes are formed in the movable tool apron body between the mounting convex ring and the flange ring; the movable knife is attached and fixed on the mounting convex ring and the flange ring on the movable knife holder body, a cooling cavity is formed between the movable knife holder body and the movable knife holder body between the mounting convex ring and the flange ring, the cooling cavity is communicated with the grinding cavity through an air inlet through hole, and an air exhaust gap is formed between the movable knife and each notch.
Still further, in the above-mentioned grinding device with a double grinding disc structure, the mounting protruding block is divided into a first mounting protruding block and a second mounting protruding block, the circumferential width of the first mounting protruding block is larger than that of the second mounting protruding block, the first mounting protruding block is provided with a bolt hole for connection, and the first mounting protruding block and the second mounting protruding block are uniformly spaced in the circumferential direction of the movable cutter seat body; the movable knife is fixed on the flange ring and the first mounting lug.
Further, the above-mentioned milling equipment of two mill structures, wherein, negative pressure absorption discharge mechanism's structure include: a negative pressure discharging main pipe is connected to a cyclone separator, and the cyclone separator is connected with a negative pressure fan; the material discharging pipes of the two grinding chambers are communicated with a negative pressure discharging main pipe.
Further, the upper ends of the feeding pipes of the two grinding chambers are respectively connected to one vibrating feeder, the two vibrating feeders are respectively communicated with one discharging branch pipe, the upper ends of the two discharging branch pipes are connected to the discharging main pipe, and the upper ends of the discharging main pipe are connected with the bin.
Further, in the grinding device with the double-grinding-disc structure, the driving mechanism is a motor, and the two main shafts are respectively connected with one motor through the shaft coupling.
Further, in the above-mentioned grinding device with a double-grinding disc structure, each grinding chamber is in a horizontal cylindrical shape, and each cooling gas input pipe is arranged at the bottom of the corresponding grinding chamber and is tangential to the cylindrical grinding chamber; each discharge pipe is arranged at the upper end of one side of the corresponding grinding chamber, and the cooling gas input pipe and the discharge pipe on each grinding chamber are positioned at two sides of the grinding chamber.
Still further, in the above-mentioned two-millstone structure of the grinding device, the two grinding chambers and the feeding pipe, the vibrating feeder and the discharging branch pipe of the two grinding chambers are symmetrically arranged with the center position between the two grinding chambers as the center; the discharge pipes of the two grinding chambers are also symmetrically arranged with the center position between the two grinding chambers as the center.
A mill comprising a mill having an air-cooled double-millstone structure according to the above-mentioned claim.
The utility model has the advantages that: 1. compact structure, small space occupation. 2. The special structure of moving the blade holder for form the cooling chamber between moving blade and the moving blade holder, cooling gas gets into the cooling chamber fast, discharges rapidly after absorbing heat again, this cooling effect who moves the blade has been improved greatly, thereby effectively improves the crocus quality, and can effectively prolong the life who moves the blade. 3. The mill with the air-cooled double-millstone structure has twice the working efficiency as a mill with only one mill, but the equipment cost is greatly reduced compared with two mills with one mill respectively.
Drawings
Fig. 1 is a schematic structural view of a mill and a pulverizer with an air-cooled double-millstone structure according to the present utility model.
Fig. 2 is a schematic diagram of the structure shown in the right view of fig. 1.
FIG. 3 is a schematic view of the A-A direction structure of FIG. 1.
Fig. 4 is a schematic perspective view of a grinding device with an air-cooled double-grinding disc structure and a movable blade holder in the grinding machine.
Description of the embodiments
The utility model will be described in further detail with reference to the drawings and the preferred embodiments.
As shown in fig. 1, 2, 3 and 4, the air-cooled double-millstone structure of the grinding device comprises two sealed grinding chambers 1, and a fixed cutter assembly 3 and a movable cutter assembly 4 are arranged in each grinding chamber 1. Each stationary knife assembly 3 comprises a circular stationary knife 31 and a circular stationary knife holder 32, each stationary knife 31 is fixedly mounted on the stationary knife holder 32, and each stationary knife holder 32 is fixed in the corresponding milling chamber 1. Each movable cutter assembly 4 comprises a circular movable cutter 41 and a circular movable cutter holder 42, each movable cutter 41 is mounted on the movable cutter holder 42, the centers of each movable cutter 41 and the movable cutter holder 42 are fixedly mounted on one main shaft 5 in a penetrating manner, and each main shaft 5 extends out of the corresponding grinding cavity 1 to be driven by the driving mechanism. The driving mechanism in this embodiment is a motor 10, two spindles 5 are respectively connected with one motor 10 through a coupling 51, the arrangement of the coupling 51 simplifies the connection structure between the spindles and the motor 10, and meanwhile, the connection is reliable.
Each of the fixed cutter assemblies 3 is provided with a feed pipe 6 outside the grinding chamber 1 at one side, and each feed pipe 6 is communicated with the inner hole of the fixed cutter assembly in the corresponding grinding chamber 1, namely, the inner hole 424 of the fixed cutter seat and the inner hole of the fixed cutter, so that materials are conveyed between the fixed cutter 31 and the movable cutter 41. Each grinding chamber 1 is further provided with a discharge pipe 7, and each discharge pipe 7 is connected with a negative pressure adsorption discharging mechanism 8. A cooling gas inlet pipe 2 for inputting cooling gas is connected to each of the pulverizing chambers 1.
In this embodiment, each grinding chamber 1 has a horizontal cylindrical shape, and each cooling gas input pipe 2 is disposed at the bottom of the corresponding grinding chamber 1 and is tangential to the cylindrical grinding chamber 1. Each discharge pipe 7 is provided at an upper end of one side of the corresponding pulverizing chamber 1, and the cooling gas input pipe 2 and the discharge pipe 7 on each pulverizing chamber 1 are located at both sides of the pulverizing chamber 1. The cylindrical grinding chamber 1 is adopted to facilitate discharging and avoid material clamping stagnation.
In the present embodiment, the structure of the movable blade holder 42 in each movable blade assembly 4 includes: the movable cutter seat body 421, one side of the movable cutter seat body 421 for installing the movable cutter 41 is provided with a mounting convex ring 422 and a flange ring 423 which are protruded out of the movable cutter seat body 421, the flange ring 423 is arranged around an inner hole 424 of the movable cutter seat, the mounting convex ring 422 is arranged around the outer edge of the movable cutter seat body 421, a plurality of openings are formed in the periphery of the mounting convex ring 422 at intervals, the mounting convex ring 422 is divided into a plurality of mounting convex blocks by the openings, and a plurality of air inlet through holes 425 are formed in the movable cutter seat body 421 between the mounting convex ring 422 and the flange ring 423. The movable knife 41 is attached and fixed on the mounting convex ring 422 and the flange ring 423 on the movable knife holder body 421, a cooling chamber 20 is formed between the movable knife 41 and the movable knife holder body 421 between the mounting convex ring 422 and the flange ring 423, and the cooling chamber 20 is communicated with the grinding chamber 1 through the air inlet through hole 425. The moving blade 41 forms an exhaust gap 4221 with each gap. For clarity, the cooling chamber 20, the exhaust air gap 4221 are labeled in fig. 3 in corresponding positions.
In this embodiment, the mounting protruding blocks are divided into a first mounting protruding block 4222 and a second mounting protruding block 4223, the width of the first mounting protruding block 4222 in the circumferential direction is larger than that of the second mounting protruding block 4223, bolt holes for connection are formed in the first mounting protruding block 4222, and the first mounting protruding block 4222 and the second mounting protruding block 4223 are evenly spaced in the circumferential direction of the movable cutter seat body 421. The movable blade 41 is fixed to the flange ring 423 and the first mounting boss 4222. The first mounting projection 4222 has a larger circumferential width than the second mounting projection 4223, and the strength of the first mounting projection 4222 can be improved, thereby ensuring the reliability of the mounting of the movable blade 41.
The structure of the negative pressure adsorption discharging mechanism 8 comprises: a negative pressure discharging main pipe 81, wherein the negative pressure discharging main pipe 81 is connected to a cyclone separator 82, and the cyclone separator 82 is connected with a negative pressure fan 83; the discharge pipes 7 of the two grinding chambers 1 are communicated with a negative pressure discharging main pipe 81.
The upper ends of the feeding pipes 6 of the two grinding chambers 1 are respectively connected to a vibrating feeder 61, the two vibrating feeders 61 are respectively communicated with a discharging branch pipe 62, the upper ends of the two discharging branch pipes 62 are respectively connected to a discharging main pipe 9, and the upper ends of the discharging main pipes 9 are connected with a stock bin 11.
Each grinding chamber 1 is cylindrical, and each cooling gas input pipe 2 is arranged at the bottom of the corresponding grinding chamber 1 and tangential to the cylindrical grinding chamber 1. Each discharge pipe 7 is provided at an upper end of one side of the corresponding pulverizing chamber 1, and the cooling gas input pipe 2 and the discharge pipe 7 on each pulverizing chamber 1 are located at both sides of the pulverizing chamber 1.
In order to ensure that the material can be evenly distributed into the two grinding chambers 1, the two grinding chambers 1 and the feeding pipe 6, the vibrating feeder 61 and the discharging branch pipe 62 of the two grinding chambers 1 are symmetrically arranged with the center position between the two grinding chambers as the center; the discharge pipes 7 of the two grinding chambers 1 are also symmetrically arranged with the center of the middle position between the two grinding chambers 1 as a center, so that the discharge of the two grinding chambers 1 is consistent.
The working principle is as follows: the materials pass through the discharging main pipe 9 from the stock bin 11, then pass through two discharging branch pipes 62, two vibrating feeders 61 and two discharging branch pipes 62 in sequence, and then enter between the fixed cutters 31 and the movable cutters 41 of the two grinding chambers 1 through inner holes of the two fixed cutter assemblies respectively. The two motors 10 respectively drive the movable blades 41 in the two grinding chambers 1 to rotate at high speed through the two main shafts 5, so as to perform grinding actions. Under the influence of centrifugal force, the pulverized material between the stationary blade 31 and the movable blade 41 enters the pulverizing chamber 1 from the gap between the stationary blade 31 and the movable blade 41. Under the action of the negative pressure fan 83, the powdery materials in the grinding chamber 1 sequentially enter the cyclone 82 through the discharge pipe 7 and the negative pressure discharging main pipe 81, and the powdery materials are subjected to impurity removal and separation in the cyclone 82.
In the above-mentioned milling process, cooling gas continuously enters into two milling cavities 1 respectively from cooling gas input pipe 2, and cooling gas enters from the bottom of milling cavity 1 and can also play fine discharging effect, and the cooling gas can adopt low temperature nitrogen gas generally. The cooling gas introduced into the grinding chamber 1 is continuously introduced into the cooling chamber 20 between the movable blade 41 and the movable blade holder body 421 from the gas inlet through hole 425, thereby effectively cooling the movable blade 41 and the movable blade holder 42. The cooling gas having absorbed heat is continuously discharged from the exhaust gap 4221 into the pulverizing chamber 1 and then discharged outwardly from the discharge pipe 7 together with the material. Since the exhaust gaps 4221 are distributed along the circumference of the moving blade 41, the gas having absorbed heat can be rapidly discharged out of the cooling chamber 20, which can greatly improve the cooling effect. The stationary blades 31 and the stationary blade holders 32 in the two grinding chambers 1 are cooled by a liquid cooling medium, such as cooling water. The cooling means of the stationary blade 31 and the stationary blade holder 32 are means in the art, and will not be described in detail again.
The air-cooled double-millstone structured grinding device has the advantages of compact structure and small equipment occupation space, and because of the special structure of the movable knife holder 42, the cooling chamber 20 is formed between the movable knife 41 and the movable knife holder 42, cooling gas rapidly enters the cooling chamber 20 and is rapidly discharged after absorbing heat, so that the cooling effect of the movable knife 31 is greatly improved, the grinding quality is effectively improved, and the service life of the movable knife 31 is effectively prolonged.
The mill 100 shown in fig. 1, 2, 3 and 4 has the above-described air-cooled double-disc structure mill. Because of the above-structured air-cooled double-disc structure of the pulverizing apparatus, one pulverizer 100 has two pulverizing apparatuses, and the working efficiency is twice that of a pulverizer having only one pulverizing apparatus. The pulverizer with the air-cooled type double-millstone structure has the advantages that the pulverizer is compact in structure, small in equipment occupation space and greatly reduced in equipment manufacturing cost compared with two pulverizer with one pulverizer respectively.
Claims (9)
1. The utility model provides a milling equipment of two mill structures of air-cooled, its characterized in that: the grinding machine comprises two airtight grinding chambers, wherein each grinding chamber is internally provided with a fixed cutter assembly and a movable cutter assembly, each fixed cutter assembly comprises a circular fixed cutter and a circular fixed cutter seat, each fixed cutter is fixedly arranged on the fixed cutter seat, each fixed cutter seat is fixed in the corresponding grinding chamber, each movable cutter assembly comprises a circular movable cutter and a circular movable cutter seat, each movable cutter is arranged on the movable cutter seat, each movable cutter and the movable cutter seat are fixedly arranged on a main shaft in a penetrating manner, each main shaft extends out of the corresponding grinding chamber to be driven by a driving mechanism, a feeding pipe is arranged outside the grinding chamber at one side of each fixed cutter assembly, each feeding pipe is communicated with an inner hole of the fixed cutter assembly in the corresponding grinding chamber, so that materials are fed between the fixed cutter and the movable cutter, each grinding chamber is provided with a discharge pipe, and each discharge pipe is connected with a negative pressure adsorption discharge mechanism; each of the pulverizing chambers is connected with a cooling gas input pipe for inputting cooling gas.
2. The dual abrasive disc structured pulverizing apparatus as defined in claim 1, wherein: the structure of the movable cutter seat in each movable cutter assembly comprises: the movable tool apron comprises a movable tool apron body, wherein one side of the movable tool apron body, used for installing a movable tool, is provided with a mounting convex ring and a flange ring, which are protruded out of the movable tool apron body, the flange ring is arranged around an inner hole of the movable tool apron body, the mounting convex ring is arranged around the outer edge of the movable tool apron body, a plurality of openings are formed in the periphery of the mounting convex ring at intervals, the mounting convex ring is divided into a plurality of mounting convex blocks by the openings, and a plurality of air inlet through holes are formed in the movable tool apron body between the mounting convex ring and the flange ring; the movable knife is attached and fixed on the mounting convex ring and the flange ring on the movable knife holder body, a cooling cavity is formed between the movable knife holder body and the movable knife holder body between the mounting convex ring and the flange ring, the cooling cavity is communicated with the grinding cavity through an air inlet through hole, and an air exhaust gap is formed between the movable knife and each notch.
3. The air-cooled double-millstone structured pulverizing apparatus as defined in claim 2, wherein: the mounting lug is divided into a first mounting lug and a second mounting lug, the circumferential width of the first mounting lug is larger than that of the second mounting lug, a bolt hole for connection is formed in the first mounting lug, and the first mounting lug and the second mounting lug are uniformly spaced in the circumferential direction of the movable cutter seat body; the movable knife is fixed on the flange ring and the first mounting lug.
4. The air-cooled double-millstone structured pulverizing apparatus of claim 1, wherein: the structure of the negative pressure adsorption discharging mechanism comprises: a negative pressure discharging main pipe is connected to a cyclone separator, and the cyclone separator is connected with a negative pressure fan; the material discharging pipes of the two grinding chambers are communicated with a negative pressure discharging main pipe.
5. The air-cooled double-millstone structured pulverizing apparatus as defined in claim 1 or 4, wherein: the upper ends of the feeding pipes of the two grinding chambers are respectively connected to a vibrating feeder, the two vibrating feeders are respectively communicated with a discharging branch pipe, the upper ends of the two discharging branch pipes are connected to a discharging main pipe, and the upper ends of the discharging main pipes are connected with a storage bin.
6. The air-cooled double-millstone structured pulverizing apparatus of claim 1, wherein: the driving mechanism is a motor, and the two main shafts are respectively connected with one motor through a coupler.
7. The air-cooled double-millstone structured pulverizing apparatus of claim 1, wherein: each grinding chamber is in a horizontal cylindrical shape, and each cooling gas input pipe is arranged at the bottom of the corresponding grinding chamber and tangential to the cylindrical grinding chamber; each discharge pipe is arranged at the upper end of one side of the corresponding grinding chamber, and the cooling gas input pipe and the discharge pipe on each grinding chamber are positioned at two sides of the grinding chamber.
8. The air-cooled double-millstone structured pulverizing apparatus of claim 5, wherein: the feeding pipe, the vibrating feeder and the discharging branch pipe of the two grinding chambers are symmetrically arranged by taking the middle position between the two grinding chambers as the center; the discharge pipes of the two grinding chambers are also symmetrically arranged with the center position between the two grinding chambers as the center.
9. A mill comprising an air-cooled double-disc structure of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322961760.6U CN221310927U (en) | 2023-11-02 | 2023-11-02 | Milling device and milling machine of air-cooled double-millstone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322961760.6U CN221310927U (en) | 2023-11-02 | 2023-11-02 | Milling device and milling machine of air-cooled double-millstone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221310927U true CN221310927U (en) | 2024-07-12 |
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ID=91799921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322961760.6U Active CN221310927U (en) | 2023-11-02 | 2023-11-02 | Milling device and milling machine of air-cooled double-millstone structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221310927U (en) |
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2023
- 2023-11-02 CN CN202322961760.6U patent/CN221310927U/en active Active
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