CN110977344A - Production process of grinding cavity of garbage disposer - Google Patents
Production process of grinding cavity of garbage disposer Download PDFInfo
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- CN110977344A CN110977344A CN201911225348.XA CN201911225348A CN110977344A CN 110977344 A CN110977344 A CN 110977344A CN 201911225348 A CN201911225348 A CN 201911225348A CN 110977344 A CN110977344 A CN 110977344A
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- grinding cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
Abstract
The invention discloses a production process of a grinding cavity of a garbage disposer, which comprises the following steps: punching and stretching an iron metal coil to be processed to prepare a primary blank, annealing, shaping, trimming, turning, cleaning, drying and sanding the primary blank to prepare a cavity, brazing a round iron sheet to prepare a grinding cavity to be processed, and feeding the grinding cavity to be processed into a furnace, filling nitrogen, ventilating, heating, nitriding and permeating to obtain a finished grinding cavity product. Compared with the conventional grinding cavity production process, the grinding cavity is subjected to annealing treatment, the product is stress-free, better in corrosion resistance, high in stretching efficiency, free of cracking, simple in production process, high in production efficiency, low in equipment investment and stable in product quality, and meanwhile, the anti-rust performance of the grinding cavity is further enhanced through high-temperature permeation of the cross-linked modified food-grade oil product.
Description
Technical Field
The invention belongs to the technical field of production of garbage disposers, and particularly relates to a production process of a grinding cavity of a garbage disposer.
Background
With the continuous improvement of living standard, organic garbage such as vegetables, melons and fruits and food waste generated in a kitchen are increased rapidly, so that not only is the surrounding environment polluted, but also peculiar smell is easily and quickly emitted. The garbage disposer is a device specially used for timely disposing the organic garbage, when in use, a solid-liquid mixture formed by the kitchen garbage is put into a grinding cavity of the disposer, is smashed by a grinding blade and then is mixed with water to form slurry, and then the slurry is discharged into a sewer pipeline.
At present, the production process of the grinding cavity of the existing garbage disposer has the following problems: when the grinding cavity is manufactured, because the tensile stress is eliminated without annealing, the grinding cavity is easy to crack during processing and after processing, after the grinding cavity is formed, because the oil infiltration is not carried out in the grinding cavity, the corrosion resistance degree is not high, and the iron inner wall of the grinding cavity is easy to generate embroidery after being used for a long time.
Therefore, we propose a process for producing a grinding chamber of a garbage disposer.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the production process of the grinding cavity of the garbage disposer, which aims to solve the problems that compared with the conventional production process of the grinding cavity, the grinding cavity is subjected to annealing treatment, the product is free of stress, high in stretching efficiency and free of cracking, the production process is simple, the production efficiency is high, the equipment investment is small, the product quality is stable, in addition, the antirust performance of the grinding cavity is further enhanced through the high-temperature permeation of a cross-linked modified food-grade oil product, under the high-temperature condition, the edible oil and a cross-linking agent can rapidly permeate into pores inside the cast iron and react to generate a cross-linked product with a network structure, so that the cast iron forms a layer of compact protective film from inside to outside, and the contact of the cast iron with the outside is isolated, thereby playing the antirust role.
In order to achieve the purpose, the invention provides the following technical scheme:
the production process of the grinding cavity of the garbage disposer comprises the following steps:
s1, placing an iron metal coil stock to be processed on a blanking die through a feeding device, punching through a pneumatic punching machine, and cutting a round sheet stock to be processed;
s2, coating the wafer-shaped sheet material to be processed in the S1 with water-based stretching oil, placing the sheet material on a stretching die, and stretching the sheet material into a barrel-shaped initial blank by using an oil press;
s3, shaping the annealed initial blank by using an oil press, and shaping an arc with the radius of 25cm on the edge of the bottom;
s4, trimming the opening at the upper end of the shaped primary blank, cutting a complete round opening, and rolling the opening at the upper end of the primary blank outwards by using a special edge rolling machine;
s5, performing automatic line cleaning again, cleaning and drying, and then sanding the bottom to manufacture a cavity;
s6, then brazing a layer of circular iron sheet with the thickness of 10mm on the bottom of the cavity through a brazing process, and ensuring the adhesion degree to obtain a grinding cavity to be processed;
s7, furnace entering: placing a special tool frame for the grinding cavity to be processed at normal temperature according to a gap of 3cm between the grinding cavity to be processed and the grinding cavity to be processed, and then placing the special tool frame into a furnace;
s8, filling nitrogen: sealing the furnace immediately after the grinding cavity enters the furnace, starting a rotary vane vacuum pump to perform vacuum pumping treatment until the pressure in the furnace is-0.1 Mpa, and then filling nitrogen with the purity of 99.99% into the furnace until the pressure in the furnace is 0.12 Mpa;
s9, starting a fan: starting a circulating fan in the furnace to keep the gas flowing uniformly;
s10, heating and nitriding: heating to 560 ℃, introducing 99.9% ammonia gas until the pressure in the furnace is 0.3Mpa, controlling the gas inflow to be 0.05L/min, keeping the pressure in the furnace constant to be 0.30Mpa by adjusting the size of an exhaust valve, and after continuously reacting for 20-25 hours at 560 ℃, naturally cooling the grinding cavity to be processed to 400 ℃ along with the furnace and discharging;
s11, infiltration: mixing a food-grade oil product and a cross-linking agent, carrying out high-temperature permeation on the grinding cavity to be processed for 2 hours at the temperature of 400 ℃, cooling the grinding cavity to be processed, wiping the inner surface and the outer surface of the grinding cavity to be processed, and drying the grinding cavity in an oven at the temperature of 50 ℃ for 12 hours to obtain a finished product of the grinding cavity.
Preferably, the pneumatic press in step S1 is a 60-ton pneumatic press.
Preferably, the oil press in step S2 and step S3 is a 200 ton oil press.
Preferably, in step S9, the circulation fan is an axial flow fan.
Preferably, the temperature raising process in step S10 is performed by a two-time temperature raising method, in which the temperature is raised for the first time at a temperature raising rate of 30 ℃/min, and then maintained at 300 ℃ for 30 minutes, and then raised for the second time at a temperature raising rate of 40 ℃/min again, and then the temperature is raised to the set temperature of 560 ℃.
Preferably, the food-grade oil product in the step S11 is prepared by mixing 20-25 parts by weight of peanut oil, 12-16 parts by weight of soybean oil, 30-45 parts by weight of corn oil and 20-40 parts by weight of palm oil.
Preferably, the crosslinking agent in step S11 is phenylenediamine.
Preferably, the width of the flat aluminum film in step S8 is the same as the outer diameter of the steel cord to be finished.
Preferably, the weight ratio of the food-grade oil product to the cross-linking agent is 2000: 1.
Preferably, in step S11, a composite layer is disposed on both the inner surface and the outer surface of the finished grinding chamber, and the composite layer includes a nitride layer and an oxide layer.
The invention has the technical effects and advantages that:
compared with the conventional grinding cavity production process, the production process of the grinding cavity of the garbage disposer, provided by the invention, has the advantages that the grinding cavity is subjected to annealing treatment, the product is free of stress, high in stretching efficiency and free of cracking, the production process is simple, the production efficiency is high, the equipment investment is small, the product quality is stable, in addition, the antirust performance of the grinding cavity is further enhanced through the high-temperature permeation of the cross-linked modified food-grade oil product, under the high-temperature condition, the edible oil and the cross-linking agent can rapidly permeate into pores in the cast iron and react to generate a cross-linked product with a network structure, so that a layer of compact protective film from inside to outside is formed on the cast iron, the contact with the outside is isolated, and the antirust effect is achieved.
Drawings
FIG. 1 is a schematic flow diagram of a process for producing a grinding chamber of a garbage disposer according to the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
Referring to fig. 1, the present invention provides a process for producing a grinding chamber of a garbage disposer, comprising the following steps:
s1, placing an iron metal coil stock to be processed on a blanking die through a feeding device, punching through a pneumatic punching machine, and cutting a round sheet stock to be processed;
s2, coating the wafer-shaped sheet material to be processed in the S1 with water-based stretching oil, placing the sheet material on a stretching die, and stretching the sheet material into a barrel-shaped initial blank by using an oil press;
s3, shaping the annealed initial blank by using an oil press, and shaping an arc with the radius of 25cm on the edge of the bottom;
s4, trimming the opening at the upper end of the shaped primary blank, cutting a complete round opening, and rolling the opening at the upper end of the primary blank outwards by using a special edge rolling machine;
s5, performing automatic line cleaning again, cleaning and drying, and then sanding the bottom to manufacture a cavity;
s6, then brazing a layer of circular iron sheet with the thickness of 10mm on the bottom of the cavity through a brazing process, and ensuring the adhesion degree to obtain a grinding cavity to be processed;
s7, furnace entering: placing a special tool frame for the grinding cavity to be processed at normal temperature according to a gap of 3cm between the grinding cavity to be processed and the grinding cavity to be processed, and then placing the special tool frame into a furnace;
s8, filling nitrogen: sealing the furnace immediately after the grinding cavity enters the furnace, starting a rotary vane vacuum pump to perform vacuum pumping treatment until the pressure in the furnace is-0.1 Mpa, and then filling nitrogen with the purity of 99.99% into the furnace until the pressure in the furnace is 0.12 Mpa;
s9, starting a fan: starting a circulating fan in the furnace to keep the gas flowing uniformly;
s10, heating and nitriding: heating to 560 ℃, introducing 99.9% ammonia gas until the pressure in the furnace is 0.3Mpa, controlling the gas inflow to be 0.05L/min, keeping the pressure in the furnace constant to be 0.30Mpa by adjusting the size of an exhaust valve, and after continuously reacting for 20-25 hours at 560 ℃, naturally cooling the grinding cavity to be processed to 400 ℃ along with the furnace and discharging;
s11, infiltration: mixing a food-grade oil product and a cross-linking agent, carrying out high-temperature permeation on the grinding cavity to be processed for 2 hours at the temperature of 400 ℃, cooling the grinding cavity to be processed, wiping the inner surface and the outer surface of the grinding cavity to be processed, and drying the grinding cavity in an oven at the temperature of 50 ℃ for 12 hours to obtain a finished product of the grinding cavity.
Specifically, the pneumatic punching machine in the step S1 is a 60-ton pneumatic punching machine, so that the equipment cost is reduced and the economic benefit is improved under the condition that the working requirement is met.
Specifically, the oil press in steps S2 and S3 is a 200 ton oil press, and the 200 ton oil press has lower power than a 220 ton oil press, and consumes less energy when used for a long time, which is beneficial to saving more electricity under the condition of meeting the working requirement.
Specifically, in step S9, the circulation fan is an axial flow fan.
Specifically, the temperature raising process in step S10 is performed by two temperature raising modes, the first temperature raising is performed at a temperature raising rate of 30 ℃/min, the temperature is maintained for 30 min after reaching 300 ℃, then the second temperature raising is performed at a temperature raising rate of 40 ℃/min again, the second temperature raising mode is performed after reaching a set temperature of 560 ℃, the two temperature raising modes are used for uniformly heating the object, the first heating is only raised to 300 ℃ for a period of time, then the object is heated to 560 ℃ again, the temperature is kept constant, the object is heated more uniformly than the object directly heated to 560 ℃ at one time, deformation and distortion of the material due to too fast temperature raising are avoided, the first temperature raising is performed at a temperature raising rate of 30 ℃/min, the temperature raising amplitude is small, and the material is more convenient to control.
Specifically, the food-grade oil product in the step S11 is formed by mixing 20-25 parts by weight of peanut oil, 12-16 parts by weight of soybean oil, 30-45 parts by weight of corn oil and 20-40 parts by weight of palm oil.
Specifically, the crosslinking agent in step S11 is phenylenediamine.
Specifically, the width of the flat aluminum film in step S8 is the same as the outer diameter of the steel wire rope to be finished.
Specifically, the weight ratio of the food-grade oil product to the cross-linking agent is 2000: 1.
Specifically, in the step S11, a composite layer is disposed on both the inner surface and the outer surface of the finished product of the grinding chamber, and the composite layer includes a nitrided layer and an oxidized layer, and has high corrosion resistance and wear resistance of the substrate. Decomposing ammonia gas into nitrogen and hydrogen at high temperature under the catalysis of iron catalyst, diffusing nitrogen into the deep part of the cast iron after the nitrogen is also treated at high temperature, reacting iron with nitrogen to generate Fe3N, the corrosion resistance of the finished product of the grinding cavity is improved, and then when the finished product of the grinding cavity is contacted with air, the iron element reacts with oxygen to generate Fe3O4Since the nitriding treatment is preceded and the oxidizing treatment is followed, the outer surface layer is Fe3O4And the inner surface layer is Fe3N, the nitriding heat treatment process can improve the hardness of the steel part, and Fe3O4 can reduce the friction coefficient, improve the wear resistance and improve the wear resistance.
In summary, the following steps: compared with the conventional grinding cavity production process, the production process of the grinding cavity of the garbage disposer, provided by the invention, has the advantages that the grinding cavity is subjected to annealing treatment, the product is free of stress, high in stretching efficiency and free of cracking, the production process is simple, the production efficiency is high, the equipment investment is small, the product quality is stable, in addition, the antirust performance of the grinding cavity is further enhanced through the high-temperature permeation of the cross-linked modified food-grade oil product, under the high-temperature condition, the edible oil and the cross-linking agent can rapidly permeate into pores in the cast iron and react to generate a cross-linked product with a network structure, so that a layer of compact protective film from inside to outside is formed on the cast iron, the contact with the outside is isolated, and the antirust effect is achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The production process of the grinding cavity of the garbage disposer is characterized by comprising the following steps of:
s1, placing an iron metal coil stock to be processed on a blanking die through a feeding device, punching through a pneumatic punching machine, and cutting a round sheet stock to be processed;
s2, coating the wafer-shaped sheet material to be processed in the S1 with water-based stretching oil, placing the sheet material on a stretching die, and stretching the sheet material into a barrel-shaped initial blank by using an oil press;
s3, shaping the annealed initial blank by using an oil press, and shaping an arc with the radius of 25cm on the edge of the bottom;
s4, trimming the opening at the upper end of the shaped primary blank, cutting a complete round opening, and rolling the opening at the upper end of the primary blank outwards by using a special edge rolling machine;
s5, performing automatic line cleaning again, cleaning and drying, and then sanding the bottom to manufacture a cavity;
s6, then brazing a layer of circular iron sheet with the thickness of 10mm on the bottom of the cavity through a brazing process, and ensuring the adhesion degree to obtain a grinding cavity to be processed;
s7, furnace entering: placing a special tool frame for the grinding cavity to be processed at normal temperature according to a gap of 3cm between the grinding cavity to be processed and the grinding cavity to be processed, and then placing the special tool frame into a furnace;
s8, filling nitrogen: sealing the furnace immediately after the grinding cavity enters the furnace, starting a rotary vane vacuum pump to perform vacuum pumping treatment until the pressure in the furnace is-0.1 Mpa, and then filling nitrogen with the purity of 99.99% into the furnace until the pressure in the furnace is 0.12 Mpa;
s9, starting a fan: starting a circulating fan in the furnace to keep the gas flowing uniformly;
s10, heating and nitriding: heating to 560 ℃, introducing 99.9% ammonia gas until the pressure in the furnace is 0.3Mpa, controlling the gas inflow to be 0.05L/min, keeping the pressure in the furnace constant to be 0.30Mpa by adjusting the size of an exhaust valve, and after continuously reacting for 20-25 hours at 560 ℃, naturally cooling the grinding cavity to be processed to 400 ℃ along with the furnace and discharging;
s11, infiltration: mixing a food-grade oil product and a cross-linking agent, carrying out high-temperature permeation on the grinding cavity to be processed for 2 hours at the temperature of 400 ℃, cooling the grinding cavity to be processed, wiping the inner surface and the outer surface of the grinding cavity to be processed, and drying the grinding cavity in an oven at the temperature of 50 ℃ for 12 hours to obtain a finished product of the grinding cavity.
2. The process for producing a grinding chamber of a waste processor of claim 1, wherein: the pneumatic press in the step S1 is a 60-ton pneumatic press.
3. The process for producing a grinding chamber of a waste processor of claim 1, wherein: the oil press in the step S2 and the step S3 is a 200-ton oil press.
4. The process for producing a grinding chamber of a waste processor of claim 1, wherein: in the step S9, the circulating fan is an axial flow fan.
5. The process for producing a grinding chamber of a waste processor of claim 1, wherein: in the step S10, the temperature raising process is performed by two times, the temperature is raised for the first time at a temperature raising rate of 30 ℃/min, the temperature is maintained for 30 min after the temperature reaches 300 ℃, and then the temperature is raised for the second time at a temperature raising rate of 40 ℃/min again until the set temperature reaches 560 ℃.
6. The process for producing a grinding chamber of a waste processor of claim 1, wherein: the food-grade oil product in the step S11 is formed by mixing 20-25 parts by weight of peanut oil, 12-16 parts by weight of soybean oil, 30-45 parts by weight of corn oil and 20-40 parts by weight of palm oil.
7. The process for producing a grinding chamber of a waste processor of claim 1, wherein: the crosslinking agent in the step S11 is phenylenediamine.
8. The process for producing a grinding chamber of a waste processor of claim 1, wherein: the weight ratio of the food-grade oil product to the cross-linking agent is 2000: 1.
9. The process for producing a grinding chamber of a waste processor of claim 1, wherein: in the step S11, a composite layer is disposed on both the inner surface and the outer surface of the finished product of the grinding chamber, and the composite layer includes a nitride layer and an oxide layer.
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| CN201911225348.XA CN110977344A (en) | 2019-12-04 | 2019-12-04 | Production process of grinding cavity of garbage disposer |
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| CN201911225348.XA CN110977344A (en) | 2019-12-04 | 2019-12-04 | Production process of grinding cavity of garbage disposer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3298939B2 (en) * | 1992-08-28 | 2002-07-08 | 新東工業株式会社 | Press molding die equipment |
| WO2010121304A1 (en) * | 2009-04-20 | 2010-10-28 | Hofmann Engineering Pty Ltd | Pressure roller |
| CN202921389U (en) * | 2012-11-30 | 2013-05-08 | 刘朝罡 | Milling cavity cover structure of food waste disposer |
| CN105852651A (en) * | 2016-06-01 | 2016-08-17 | 玉林市安特机械制造有限公司 | Production process of casting iron coating-free stainless liner of electric cooker |
| CN206965857U (en) * | 2017-07-19 | 2018-02-06 | 嘉兴职业技术学院 | The cavity configuration of milling of industrial waste processing unit |
| CN109226570A (en) * | 2018-08-16 | 2019-01-18 | 中山市金中电热科技有限公司 | Electric pressure cooking saucepan stainless steel inner container production technology |
-
2019
- 2019-12-04 CN CN201911225348.XA patent/CN110977344A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3298939B2 (en) * | 1992-08-28 | 2002-07-08 | 新東工業株式会社 | Press molding die equipment |
| WO2010121304A1 (en) * | 2009-04-20 | 2010-10-28 | Hofmann Engineering Pty Ltd | Pressure roller |
| CN202921389U (en) * | 2012-11-30 | 2013-05-08 | 刘朝罡 | Milling cavity cover structure of food waste disposer |
| CN105852651A (en) * | 2016-06-01 | 2016-08-17 | 玉林市安特机械制造有限公司 | Production process of casting iron coating-free stainless liner of electric cooker |
| CN206965857U (en) * | 2017-07-19 | 2018-02-06 | 嘉兴职业技术学院 | The cavity configuration of milling of industrial waste processing unit |
| CN109226570A (en) * | 2018-08-16 | 2019-01-18 | 中山市金中电热科技有限公司 | Electric pressure cooking saucepan stainless steel inner container production technology |
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Application publication date: 20200410 |