CN108308623B - Hollow metal grinding head and manufacturing method thereof - Google Patents
Hollow metal grinding head and manufacturing method thereof Download PDFInfo
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- CN108308623B CN108308623B CN201810311904.4A CN201810311904A CN108308623B CN 108308623 B CN108308623 B CN 108308623B CN 201810311904 A CN201810311904 A CN 201810311904A CN 108308623 B CN108308623 B CN 108308623B
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- 238000000227 grinding Methods 0.000 title claims abstract description 70
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 14
- 238000005238 degreasing Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 11
- 238000005498 polishing Methods 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 239000005011 phenolic resin Substances 0.000 claims description 7
- 229920001568 phenolic resin Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 230000009969 flowable effect Effects 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N1/00—Machines or apparatus for extracting juice
- A23N1/02—Machines or apparatus for extracting juice combined with disintegrating or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/002—Tools other than cutting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Powder Metallurgy (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of food processing devices, in particular to a hollow metal grinding head, which comprises a grinding head main body, wherein a sealed cavity is formed in the grinding head main body, the top end of the grinding head main body is provided with an upper positioning part, and the bottom end of the grinding head main body is provided with a lower positioning part; the outer surface of the grinding head main body is provided with a plurality of convex ribs. By the arrangement, the weight of the grinding head can be greatly reduced, the use of materials is saved, the production cost is effectively reduced, and meanwhile, enough strength support can be provided, so that the defects and the defects existing in the prior art are effectively overcome.
Description
Technical Field
The invention relates to the technical field of food processing devices, in particular to a hollow metal grinding head and a manufacturing method thereof.
Background
Grinding bits are widely used in food processing, such as juicers that use grinding bits for juicing. The traditional grinding head generally adopts a solid mechanism, and has the advantages of heavy weight and high cost.
In order to effectively solve the technical problems, a great deal of research and exploration is carried out in the industry, such as the Chinese patent of the invention with the publication number of CN204274099U, which discloses a vertical juicer spiral propeller, comprising a spiral main body and a transmission shaft; the spiral main body consists of an inner wrapping body solidified on the peripheral side of the transmission shaft and an outer wrapping body wrapping the inner wrapping body. According to the technical scheme, the whole plastic is thick, the molding period is longer, and the manufacturing productivity is lower; in addition, the inside of the grinding head is filled with high-temperature resistant materials, so that the material cost is high.
Therefore, the prior art has a large room for improvement.
Disclosure of Invention
The invention aims to provide a hollow grinding head which has the characteristics and advantages of light weight, low manufacturing cost and the like.
In order to achieve the technical purpose, the following technical scheme is adopted:
the hollow metal grinding head comprises a grinding head main body, wherein a sealing cavity is formed in the grinding head main body, an upper positioning part is arranged at the top end of the grinding head main body, and a lower positioning part is arranged at the bottom end of the grinding head main body; the outer surface of the grinding head main body is provided with a plurality of convex ribs. By the arrangement, the weight of the grinding head can be greatly reduced, the use of materials is saved, the production cost is effectively reduced, and meanwhile, enough strength support can be provided, so that the defects and the defects existing in the prior art are effectively overcome.
According to the technical scheme, the grinding head main body comprises a left shell and a right shell, and the left shell and the right shell are sintered into the grinding head main body after being matched. The arrangement is convenient for processing.
According to the technical scheme, the top end and the bottom end of the left shell are respectively provided with a left half shaft and a left half hole, the top end and the bottom end of the right shell are respectively provided with a right half shaft and a right half hole, and the left half shaft and the right half shaft are matched and sintered to form an upper positioning part; the left half hole and the right half hole are matched and sintered to form a lower positioning part; the left shell is provided with a left convex rib, the right shell is provided with a right convex rib, and the left convex rib and the right convex rib are matched and sintered to form a convex rib. The arrangement is convenient for processing.
According to the technical scheme, the grinding head main body comprises a left shell, a right shell and a base, and the left shell, the right shell and the base are sintered into the grinding head main body after being matched.
According to the technical scheme, the top end of the left shell is provided with the left half shaft, the top end of the right shell is provided with the right half shaft, and the left half shaft and the right half shaft are matched and sintered to form the upper positioning part; the lower locating part is arranged on the base, the left shell is provided with a left convex rib, the right shell is provided with a right convex rib, and the left convex rib and the right convex rib form convex ribs after being matched and sintered.
In addition, the invention provides a manufacturing method of the hollow metal grinding head, which comprises the following steps:
1) Raw material preparation: mixing metal powder and a binder by a mixer, and granulating to obtain a plastic-characteristic raw material;
2) Injection molding: placing the raw materials in the step 1) into an injection machine, heating to melt the mixed raw materials into a flowable state, injecting the flowable state into a mold, and forming a left shell (11) and a right shell (12) primary blank with plastic characteristics or forming a shell (11), a right shell (12) and a base (13) primary blank with plastic characteristics;
3) Bonding the part blank formed in the step 2) into a hollow grinding head through an adhesive;
4) Degreasing: the hollow grinding head is buried in alumina powder, then is put into a degreasing furnace, is heated, is insulated, and is degreased under the protection of inert gas.
5) Placing the degreased workpiece on a bracket, placing the bracket into a sintering furnace, taking hydrogen as fuel, heating and preserving heat, and sintering under the protection of inert gas.
6) Shaping, machining and polishing to obtain the main body product of the grinding head.
According to the technical scheme, in the step 1), the mass ratio of the metal powder to the binder is 92:8; the particle size of the metal powder is 0.5um to 20um;
according to the above technical solution, in step 1), the binder includes paraffin wax and phenolic resin polymer mixed with each other.
According to the technical scheme, in the step 4), degreasing and heating control is carried out by heating at a speed of about 1 ℃/min to about 220 ℃ and preserving heat for 2 hours.
According to the technical scheme, in the step 5), the sintering temperature rise control adopts heating to 1300 ℃ at 8 ℃/min and heat preservation for 1 hour.
The hollow metal grinding head comprises a grinding head main body, wherein a sealing cavity is formed in the grinding head main body, an upper positioning part is arranged at the top end of the grinding head main body, and a lower positioning part is arranged at the bottom end of the grinding head main body. The grinding head main body is internally provided with the sealing cavity, so that the weight of the grinding head can be greatly reduced, the use of materials is saved, the production cost is effectively reduced, and meanwhile, enough strength support can be provided, so that the defects and defects existing in the prior art are effectively overcome.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second exploded construction of an example of the present invention;
fig. 4 is a schematic cross-sectional view of another embodiment of the present invention.
In the figure: 1. a polishing head body; 11. a left housing; 12. a right housing; 13. a base; 2. an upper positioning part; 21. a left half shaft; 22. a right half shaft; 3. convex ribs; 31. a left convex rib; 32. a right convex rib; 4. a lower positioning part; 41. a left half hole; 42. a right half hole; 5. sealing the cavity.
Detailed Description
The technical scheme of the invention is described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 and fig. 2, the hollow metal grinding head of the present invention comprises a grinding head main body 1, wherein a sealed cavity 5 is formed in the grinding head main body 1, an upper positioning portion 2 (which may be a positioning shaft or a positioning shaft, see fig. 1 and fig. 4) is provided at the top end of the grinding head main body 1, and a lower positioning portion 4 (which may be a positioning shaft or a positioning shaft, see fig. 1 and fig. 4) is provided at the bottom end of the grinding head main body 1; the outer surface of the grinding head main body 1 is provided with a plurality of convex ribs 3. The structure forms the basic structure of the invention, the grinding head main body 1 is internally provided with the sealing cavity 5, thus the weight of the grinding head can be greatly reduced, the use of materials is saved, the production cost is effectively reduced, and meanwhile, enough strength support can be provided, and the defects existing in the prior art are effectively overcome.
Specifically, the polishing head body 1 includes a left housing 11 and a right housing 12, and the left housing 11 and the right housing 12 are sintered into the polishing head body 1 after being mated. The top end and the bottom end of the left shell 11 are respectively provided with a left half shaft 21 and a left half hole 41, the top end and the bottom end of the right shell 12 are respectively provided with a right half shaft 22 and a right half hole 42, and the left half shaft 21 and the right half shaft 22 are matched and sintered to form an upper positioning part 2; the left half hole 41 and the right half hole 42 are matched and sintered to form a lower positioning part 4; the left shell 11 is provided with a left convex rib 31, the right shell 12 is provided with a right convex rib 32, and the left convex rib 31 and the right convex rib 32 are matched and sintered to form a convex rib 3.
The manufacturing method of the hollow metal grinding head comprises the following steps:
1) Raw material preparation: mixing metal powder and a binder by a mixer, and granulating to obtain a plastic-characteristic raw material; wherein the mass ratio of the metal powder to the binder is 92:8. The metal powder generally adopts iron powder, the grain diameter of the iron powder is 0.5um to 20um, the finer the grain diameter is, the more favorable for injection molding, degreasing and sintering, but the finer the iron powder is, the more the production cost is increased, so the grain diameter range is selected. As the binder, the binder includes paraffin wax and a phenolic resin-based polymer mixed with each other, but is not limited to these two substances, of course. Generally consists of low molecular components (such as paraffin wax) and high molecular components (such as phenolic resin polymer), and the low molecular components have low viscosity and good fluidity and are convenient for injection molding. The high molecular component has high viscosity and high strength, and can maintain the strength of the injection molding primary blank.
2) Injection molding: placing the raw materials in the step 1) into an injection machine, heating to melt the mixed raw materials into a flowable state, injecting the flowable state into a mold, and forming a left shell (11) and a right shell (12) primary blank with plastic characteristics or forming a shell (11), a right shell (12) and a base (13) primary blank with plastic characteristics; in the injection machine, the mixed material can form flowing liquid at about 170 ℃, and is injected into a mould by the injection machine to form a primary blank. Of course, the specific temperature of injection can be specifically adjusted according to the mixing ratio of metal powder and binder and the mixing ratio of paraffin and phenolic resin polymer, and the mass ratio of paraffin to phenolic resin polymer is preferably 7:3, so that the injection has the advantages of good fluidity, high strength and the like.
3) Bonding the part blank formed in the step 2) into a hollow grinding head through an adhesive.
4) Degreasing: the hollow grinding head is buried in alumina powder, then is put into a degreasing furnace, is heated, is insulated, and is degreased under the protection of inert gas. Degreasing and heating are controlled by heating at a speed of about 1 ℃/min to about 220 ℃ and preserving heat for 2 hours.
5) Placing the degreased workpiece on a bracket, placing the bracket into a sintering furnace, taking hydrogen as fuel, heating and preserving heat, and sintering under the protection of inert gas. The sintering temperature is controlled by heating to 1300 ℃ at 8 ℃/min for 1 hour.
6) Shaping, machining and polishing to obtain the main body product of the grinding head.
Example two
The first difference between this embodiment and the embodiment is that the polishing head body 1 includes a left housing 11, a right housing 12, and a base 13, and the left housing 11, the right housing 12, and the base 13 are sintered into the polishing head body 1 after being mated.
Specifically, a left half shaft 21 is arranged at the top end of the left shell 11, a right half shaft 22 is arranged at the top end of the right shell 12, and the left half shaft 21 and the right half shaft 22 are matched and sintered to form an upper positioning part 2; the lower positioning part 4 is arranged on the base 13, the left shell 11 is provided with a left convex rib 31, the right shell 12 is provided with a right convex rib 32, and the left convex rib 31 and the right convex rib 32 are matched and sintered to form the convex rib 3.
The manufacturing method of the hollow metal grinding head is different from the manufacturing method of the hollow metal grinding head only in the injection molding step, namely, the injection molding step is performed in a mold, so that the left shell 11, the right shell 12 and the base 13 primary blanks are formed.
The other steps are the same and are not repeated here.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are therefore intended to be embraced therein.
Claims (8)
1. A hollow metal grinding bit comprises a grinding bit main body (1),
the grinding head is characterized in that a sealing cavity (5) is formed in the grinding head main body (1), an upper positioning part (2) is arranged at the top end of the grinding head main body (1), and a lower positioning part (4) is arranged at the bottom end of the grinding head main body (1); the outer surface of the grinding head main body (1) is formed with a plurality of convex ribs (3);
the grinding head main body (1) comprises a left shell (11) and a right shell (12), and the left shell (11) and the right shell (12) are matched and sintered into the grinding head main body (1);
the top end and the bottom end of the left shell (11) are respectively provided with a left half shaft (21) and a left half hole (41), the top end and the bottom end of the right shell (12) are respectively provided with a right half shaft (22) and a right half hole (42), and the left half shaft (21) and the right half shaft (22) are matched and sintered to form an upper positioning part (2); the left half hole (41) and the right half hole (42) are matched and sintered to form a lower positioning part (4); the left shell (11) is provided with a left convex rib (31), the right shell (12) is provided with a right convex rib (32), and the left convex rib (31) and the right convex rib (32) are matched and sintered to form a convex rib (3).
2. The hollow metal grinding bit according to claim 1, wherein the grinding bit body (1) comprises a left shell (11), a right shell (12) and a base (13), and the left shell (11), the right shell (12) and the base (13) are sintered into the grinding bit body (1) after being matched.
3. The hollow metal grinding head according to claim 2, characterized in that a left half shaft (21) is arranged at the top end of the left shell (11), a right half shaft (22) is arranged at the top end of the right shell (12), and the left half shaft (21) and the right half shaft (22) are matched and sintered to form an upper positioning part (2); the lower positioning part (4) is arranged on the base (13), a left convex rib (31) is arranged on the left shell (11), a right convex rib (32) is arranged on the right shell (12), and the left convex rib (31) and the right convex rib (32) are matched and sintered to form a convex rib (3).
4. A method of making a hollow metal grinding bit according to claim 3 comprising the steps of:
1) Raw material preparation: mixing metal powder and a binder by a mixer, and granulating to obtain a plastic-characteristic raw material;
2) Injection molding: placing the raw materials in the step 1) into an injection machine, heating to melt the mixed raw materials into a flowable state, injecting the flowable state into a mold, and forming a left shell (11) and a right shell (12) primary blank with plastic characteristics or forming a shell (11), a right shell (12) and a base (13) primary blank with plastic characteristics;
3) Bonding the part blank formed in the step 2) into a hollow grinding head through an adhesive;
4) Degreasing: burying a hollow grinding head into alumina powder, then placing the alumina powder into a degreasing furnace, heating the degreasing furnace, preserving heat, and degreasing under the protection of inert gas;
5) Placing the degreased workpiece on a bracket, placing the bracket into a sintering furnace, taking hydrogen as fuel, heating the bracket, preserving heat, and sintering under the protection of inert gas;
6) Shaping, machining and polishing to obtain the main body product of the grinding head.
5. The method of manufacturing a hollow metal grinding bit according to claim 4, wherein in step 1), the mass ratio of the metal powder to the binder is 92:8; the particle size of the metal powder is 0.5um to 20um.
6. The method of manufacturing a hollow metal grinding bit according to claim 4, wherein in step 1), the binder comprises paraffin wax and phenolic resin polymer mixed with each other, and the mass ratio of the paraffin wax to the phenolic resin polymer is 7:3.
7. The method of manufacturing a hollow metal polishing head as set forth in claim 4, wherein in step 4), degreasing and heating control is performed at a heating rate of about 1 ℃/min to about 220 ℃ and for 2 hours.
8. The method of manufacturing a hollow metal polishing head as set forth in claim 4, wherein in step 5), the sintering temperature increase control is performed by heating at 8 ℃/min to 1300 ℃ for 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311904.4A CN108308623B (en) | 2018-04-09 | 2018-04-09 | Hollow metal grinding head and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311904.4A CN108308623B (en) | 2018-04-09 | 2018-04-09 | Hollow metal grinding head and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108308623A CN108308623A (en) | 2018-07-24 |
| CN108308623B true CN108308623B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311904.4A Active CN108308623B (en) | 2018-04-09 | 2018-04-09 | Hollow metal grinding head and manufacturing method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723025Y (en) * | 2004-04-30 | 2005-09-07 | 黄锐强 | Medicine grinder |
| KR101282314B1 (en) * | 2011-06-14 | 2013-07-10 | 김영기 | Juicer for green vegetable juice |
| CN204797529U (en) * | 2015-06-14 | 2015-11-25 | 广东新宝电器股份有限公司 | Grinding head of successive layer cutting |
| FR3048864B1 (en) * | 2016-03-17 | 2018-04-20 | Seb S.A. | SCREW AND APPARATUS FOR PRESSING FRUIT AND / OR VEGETABLE FOODS EQUIPPED WITH A SCANNING SYSTEM |
| CN206491681U (en) * | 2016-10-30 | 2017-09-15 | 上海洛瓷动力科技有限公司 | A kind of slurry diet product processing unit (plant) of pure grinding |
| CN208609849U (en) * | 2018-04-09 | 2019-03-19 | 广东百胜图科技有限公司 | Hollow metal grinding head |
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2018
- 2018-04-09 CN CN201810311904.4A patent/CN108308623B/en active Active
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| CN108308623A (en) | 2018-07-24 |
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