CN112296879A - Automatic processing method for removing flash and burr of aluminum casting - Google Patents
Automatic processing method for removing flash and burr of aluminum casting Download PDFInfo
- Publication number
- CN112296879A CN112296879A CN202011177060.2A CN202011177060A CN112296879A CN 112296879 A CN112296879 A CN 112296879A CN 202011177060 A CN202011177060 A CN 202011177060A CN 112296879 A CN112296879 A CN 112296879A
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- Prior art keywords
- aluminum
- aluminum casting
- burr
- flash
- processing method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses an automatic processing method for removing flash burrs of an aluminum casting, which comprises the following steps: surface cleaning, namely firstly conveying and placing produced aluminum castings on a workpiece table through a conveying belt, then checking the specification size of the aluminum castings by workers, sequentially arranging and placing the qualified aluminum castings in cleaning equipment, cleaning metal scraps on the surfaces of the aluminum castings through a brush in the cleaning equipment for removing impurities for 8-10min, and obtaining the aluminum castings with clean surfaces; according to the automatic processing method for removing the flash and the burr of the aluminum casting, the aluminum casting enters the automatic deburring machine through the conveying belt, so that the deburring effect is good, the working efficiency is high, meanwhile, the conveying belt is adopted, the time for workers to transport the aluminum casting back and forth is shortened, the working strength is reduced, the inspection and the fine grinding are increased, and the unqualified product is polished manually, so that the product quality of the aluminum casting is high.
Description
Technical Field
The invention belongs to the technical field of flash and burr removal, and particularly relates to an automatic processing method for removing flash and burr of an aluminum casting.
Background
The aluminum casting is a device made of pure aluminum or aluminum alloy obtained by a casting processing method. Generally, aluminum or aluminum alloy parts of various shapes and sizes obtained by pouring aluminum or aluminum alloy heated to a liquid state into a die cavity by using a sand mold or a metal mold are generally called aluminum die castings;
after a large-sized product is machined and formed by cutting machining, die-casting machining and other processes, various burrs and flashes are usually generated on the surface of the product, so that the process of removing the flashes and the flashes needs to be carried out on the product, manual removal is adopted in the traditional process of removing the flashes and the flashes, workers are easy to fatigue after long-time working, omission easily occurs, meanwhile, certain tools have high noise, the tools are not wear-resistant, and the working efficiency is low.
Disclosure of Invention
The invention mainly aims to provide an automatic processing method for removing flash and burrs of an aluminum casting, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
an automatic processing method for removing flash and burrs of an aluminum casting comprises the following steps:
firstly, conveying and placing produced aluminum castings on a workpiece table through a conveying belt, checking the specifications of the aluminum castings by workers, sequentially arranging the qualified aluminum castings in a cleaning device, cleaning metal scraps on the surfaces of the aluminum castings through a brush in the cleaning device for removing impurities, wherein the cleaning time is 8-10min, and obtaining the aluminum castings with clean surfaces;
secondly, performing surface rough treatment, namely automatically putting the aluminum casting with the clean surface obtained in the first step into an automatic deburring machine through a conveying belt, setting a target point for a burr position on the aluminum casting by a worker, and rubbing the jet air pressure of a high-pressure spray gun and the burr of the aluminum die casting by using the high-pressure spray gun in the automatic deburring machine so as to remove surface defects such as a joint line, flash, burr and the like, thereby obtaining the aluminum casting after the surface treatment;
step three, inspecting and finely grinding, wherein the aluminum casting with the surface treated in the step two is subjected to product inspection, the aluminum casting with the burrs completely removed is subjected to the next procedure, and unqualified aluminum castings are manually ground to obtain finely ground aluminum castings;
and step four, polishing, namely cleaning the surface of the obtained finely-ground aluminum casting to remove natural oxides on the surface of the aluminum casting, and then putting the aluminum casting into a polishing machine for polishing to finish the automatic processing method for removing the flash and burrs of the aluminum casting, thereby finally obtaining the aluminum casting with a smooth surface.
Preferably, in the second step, the burr medium in the automatic deburring machine is soft sand with the grain diameter of 0.25mm-0.35mm, and the high-pressure spray gun continuously sprays 4s-6s at the burr position with the spraying pressure of 1.5kg/cm2-2.5kg/cm 2.
Preferably, the tools used in the manual fine grinding in the third step are mainly a burr, a steel file, sand paper with different meshes and the like.
Preferably, polishing is performed by using a polishing solution in the step four, wherein the polishing solution comprises the following components: 55-75 parts of a brightness promoter, 12-23 parts of an oxidant, 1-5 parts of a composite corrosion inhibitor and 35-45 parts of phosphoric acid.
Preferably, the alkaline solution used in the cleaning in the fourth step is sodium hydroxide solution.
Preferably, the temperature of the polishing machine in the fourth step is set to be 75-90 ℃, and the polishing time is 55-65 seconds.
Preferably, the aluminum casting in the fourth step is cleaned by deionized water after being polished, the cleaning time is 5-8min, then repeated rinsing is carried out for 2-3 times, and the aluminum casting is taken out and dried in the air after being cleaned.
Compared with the prior art, the invention has the following beneficial effects: according to the automatic processing method for removing the flash and the burr of the aluminum casting, due to the fact that the flash removing and the burr removing of automatic equipment are combined with each other, the effect of removing the flash and the burr is better, the flash removing of the burr is more thorough, the working strength of workers is effectively reduced, the removing working efficiency is improved, the quality of the aluminum casting after the flash and the burr are removed is better, and the appearance is smoother and more attractive.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
An automatic processing method for removing flash and burrs of an aluminum casting comprises the following steps: firstly, surface cleaning, namely conveying and placing produced aluminum castings on a workpiece table through a conveying belt, then checking the specification size of the aluminum castings by workers, sequentially arranging and placing the qualified aluminum castings in cleaning equipment, cleaning metal scraps on the surfaces of the aluminum castings through a brush in the cleaning equipment for removing impurities for 8min, and obtaining the aluminum castings with clean surfaces; secondly, performing surface rough treatment, namely automatically putting the aluminum casting with the clean surface obtained in the step one into an automatic deburring machine through a conveying belt, setting a target point for the burr position on the aluminum casting by a worker, and mutually rubbing the jet air pressure of a high-pressure spray gun and the burr of the aluminum die casting through the high-pressure spray gun in the automatic deburring machine, wherein a burr medium in the automatic deburring machine is soft sand with the particle size of 0.25mm, and the high-pressure spray gun continuously sprays 4 at a jet air pressure burr site of 1.8kg/cm2, so that surface defects such as a joint line, flash, burr and the like are removed, and the aluminum casting after the surface treatment is obtained; then, inspecting and fine grinding, wherein the aluminum casting with the surface treated in the step two is subjected to product inspection, the aluminum casting with the burrs completely removed is subjected to the next process, unqualified aluminum castings are manually ground, and tools mainly used for manual fine grinding are burrs, steel files, abrasive paper with different meshes and the like, so that the fine-ground aluminum casting is obtained; and finally, polishing, namely cleaning the surface of the aluminum casting after fine grinding, wherein an alkaline solution adopted during cleaning is a sodium hydroxide solution, natural oxides on the surface of the aluminum casting are removed, and then the aluminum casting is put into a polishing machine for polishing, the temperature of the polishing machine is set at 75 ℃, the polishing time is 55 seconds, and polishing is carried out by adopting a polishing solution during polishing, wherein the polishing solution comprises the following components: 55 parts of a brightness promoter, 15 parts of an oxidant, 1.5 parts of a composite corrosion inhibitor and 38 parts of phosphoric acid, cleaning the polished; the automatic processing method for removing the flash and the burr of the aluminum casting can be completed;
and (3) removing burrs and fins from the surfaces of 50 die casting blank products, processing by using the process for 60min, detecting the surfaces of the die castings prepared by the process, and detecting that the roughness of the surfaces of the die castings is less than 0.4 um.
Comparative example 2
Removing burrs and fins of 50 die casting blank products according to a traditional method, carrying out surface machining by manual receiving, wherein the machining time is 200min, detecting the die casting surface prepared by the process, and detecting that the roughness of the die casting surface is less than 0.55 um.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An automatic processing method for removing flash burrs of an aluminum casting is characterized by comprising the following steps:
firstly, conveying and placing produced aluminum castings on a workpiece table through a conveying belt, checking the specifications of the aluminum castings by workers, sequentially arranging the qualified aluminum castings in a cleaning device, cleaning metal scraps on the surfaces of the aluminum castings through a brush in the cleaning device for removing impurities, wherein the cleaning time is 8-10min, and obtaining the aluminum castings with clean surfaces;
secondly, performing surface rough treatment, namely automatically putting the aluminum casting with the clean surface obtained in the first step into an automatic deburring machine through a conveying belt, setting a target point for a burr position on the aluminum casting by a worker, and rubbing the jet air pressure of a high-pressure spray gun and the burr of the aluminum die casting by using the high-pressure spray gun in the automatic deburring machine so as to remove surface defects such as a joint line, flash, burr and the like, thereby obtaining the aluminum casting after the surface treatment;
step three, inspecting and finely grinding, wherein the aluminum casting with the surface treated in the step two is subjected to product inspection, the aluminum casting with the burrs completely removed is subjected to the next procedure, and unqualified aluminum castings are manually ground to obtain finely ground aluminum castings;
and step four, polishing, namely cleaning the surface of the obtained finely-ground aluminum casting to remove natural oxides on the surface of the aluminum casting, and then putting the aluminum casting into a polishing machine for polishing to finish the automatic processing method for removing the flash and burrs of the aluminum casting, thereby finally obtaining the aluminum casting with a smooth surface.
2. The automatic processing method for removing the flash and the burr of the aluminum casting according to the claim 1, wherein in the second step, the burr medium in the automatic deburring machine is soft sand with the grain diameter of 0.25mm-0.35mm, and the high pressure spray gun continuously sprays 4s-6s at the spraying air pressure burr point of 1.5kg/cm2-2.5kg/cm 2.
3. The automatic processing method for removing the flash and the burr of the aluminum casting according to claim 1, which is characterized in that: the tools adopted in the manual fine grinding in the third step mainly comprise burrs, steel files, sand paper with different meshes and the like.
4. The automatic processing method for removing the flash and the burr of the aluminum casting according to claim 1, which is characterized in that: polishing by using a polishing solution in the step four, wherein the polishing solution comprises the following components: 55-75 parts of a brightness promoter, 12-23 parts of an oxidant, 1-5 parts of a composite corrosion inhibitor and 35-45 parts of phosphoric acid.
5. The automatic processing method for removing the flash and the burr of the aluminum casting according to claim 1, which is characterized in that: and the alkaline solution adopted in the cleaning in the fourth step is sodium hydroxide solution.
6. The automatic processing method for removing the flash and the burr of the aluminum casting according to claim 1, which is characterized in that: in the fourth step, the temperature of the polishing machine is set to be 75-90 ℃, and the polishing time is 55-65 seconds.
7. The automatic processing method for removing the flash and the burr of the aluminum casting according to claim 1, which is characterized in that: and in the fourth step, the aluminum casting is cleaned by deionized water after being polished, the cleaning time is 5-8min, then repeated rinsing is carried out for 2-3 times, and the aluminum casting is taken out and dried in the air after being cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177060.2A CN112296879A (en) | 2020-10-29 | 2020-10-29 | Automatic processing method for removing flash and burr of aluminum casting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011177060.2A CN112296879A (en) | 2020-10-29 | 2020-10-29 | Automatic processing method for removing flash and burr of aluminum casting |
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| CN112296879A true CN112296879A (en) | 2021-02-02 |
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| CN202011177060.2A Pending CN112296879A (en) | 2020-10-29 | 2020-10-29 | Automatic processing method for removing flash and burr of aluminum casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519096A (en) * | 2022-09-19 | 2022-12-27 | 江苏中科云控智能工业装备有限公司 | Die casting deburring equipment state detection system and method based on big data |
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| US20100317260A1 (en) * | 2007-11-01 | 2010-12-16 | Henkel Ag & Co. Kgaa | Process for producing surface conditioned aluminum castings |
| CN105171618A (en) * | 2015-09-29 | 2015-12-23 | 广东长盈精密技术有限公司 | Sand-blasting deburring technology and sand-blasting deburring system |
| CN109183044A (en) * | 2018-09-12 | 2019-01-11 | 蔡璟 | A kind of aluminium alloy cylinder cap surface treatment process |
| CN109676533A (en) * | 2018-12-29 | 2019-04-26 | 深圳仕上电子科技有限公司 | The surface treatment method of metal works |
| CN109968132A (en) * | 2019-03-29 | 2019-07-05 | 苏州久越金属科技有限公司 | Automate deburring technique |
| CN111070105A (en) * | 2020-01-06 | 2020-04-28 | 深圳市贝贝特科技实业有限公司 | Grading deburring sand blasting process based on multi-groove aluminum casting |
-
2020
- 2020-10-29 CN CN202011177060.2A patent/CN112296879A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100317260A1 (en) * | 2007-11-01 | 2010-12-16 | Henkel Ag & Co. Kgaa | Process for producing surface conditioned aluminum castings |
| CN105171618A (en) * | 2015-09-29 | 2015-12-23 | 广东长盈精密技术有限公司 | Sand-blasting deburring technology and sand-blasting deburring system |
| CN109183044A (en) * | 2018-09-12 | 2019-01-11 | 蔡璟 | A kind of aluminium alloy cylinder cap surface treatment process |
| CN109676533A (en) * | 2018-12-29 | 2019-04-26 | 深圳仕上电子科技有限公司 | The surface treatment method of metal works |
| CN109968132A (en) * | 2019-03-29 | 2019-07-05 | 苏州久越金属科技有限公司 | Automate deburring technique |
| CN111070105A (en) * | 2020-01-06 | 2020-04-28 | 深圳市贝贝特科技实业有限公司 | Grading deburring sand blasting process based on multi-groove aluminum casting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519096A (en) * | 2022-09-19 | 2022-12-27 | 江苏中科云控智能工业装备有限公司 | Die casting deburring equipment state detection system and method based on big data |
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Application publication date: 20210202 |
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