CN112427899B - Processing technology of glove metal mold - Google Patents
Processing technology of glove metal mold Download PDFInfo
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- CN112427899B CN112427899B CN202011134329.9A CN202011134329A CN112427899B CN 112427899 B CN112427899 B CN 112427899B CN 202011134329 A CN202011134329 A CN 202011134329A CN 112427899 B CN112427899 B CN 112427899B
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- metal mold
- primer
- casting
- spraying
- mold
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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
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating By Spraying Or Casting (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a processing technology of a glove metal mold, belonging to the technical field of mold equipment processing and comprising the following steps: (1) casting and forming; (2) welding; (3) punching; (4) machining by a milling machine; (5) sand blasting; (6) spraying a primer; and (7) spraying finish paint. According to the invention, through welding, punching and milling machine processing after pouring and forming, the problem that the quality of the plastic gloves can be directly influenced due to the existence of inevitable casting defects in the casting process of the casting metal mold is effectively avoided; the primer and the finish are sprayed well by drying the primer and the finish at high temperature, so that the demolding effect of the metal mold is further ensured; the metal die manufactured by the invention has the advantages of convenient installation, easy demoulding, difficult crushing and high yield; the invention protects the environment and maintains the health of personnel.
Description
Technical Field
The invention relates to a processing technology of a glove metal mold, and belongs to the technical field of mold equipment processing.
Background
Hand-shaped moulds are needed when producing gloves such as PU, PVC, nitrile, latex, films and the like, and most of the traditional hand moulds are ceramic hand moulds. The ceramic hand mould has the defects of poor heat-conducting property, inconvenient installation, rough and unsmooth surface, difficult demoulding and the like in the use process. In actual production, in order to overcome the above-mentioned defects of the ceramic hand mold, a large amount of chemicals must be applied to the hand mold for easy mold release. However, if the coating is not uniform, defective products and waste products are caused, and ceramic articles are brittle, and the phenomenon that the production is forced to stop due to the fact that a mold is broken frequently occurs in the production process of the gloves, so that the cost of the glove products is greatly increased, and the metal mold has the advantages of being convenient to install, easy to demould and not easy to break, particularly, the casting metal mold is widely applied, but the quality of the plastic gloves can be directly influenced due to the inevitable casting defects in the casting process of the casting metal mold; therefore, the development of a processing technology of a glove metal mold capable of avoiding the influence of casting defects on the glove quality is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem, overcome the defects of the existing casting glove metal mold and the processing process thereof, and provide a metal mold processing technology for processing plastic gloves, which has the advantages of low cost, long service life and easy demolding during glove production.
A processing technology of a glove metal mold comprises the following steps:
(1) Casting and molding: firstly, a machining center is utilized to open a sand core mold and a casting mold, a precoated sand core is used for molding in an environment of 260-340 ℃ on a core shooting machine, then an aluminum alloy ingot is melted by an electric furnace or a biomass particle furnace, the melting temperature is controlled to be 700-720 ℃, finally, the core is placed in the casting mold opened by the machining center, the melted aluminum alloy liquid is cast in the casting mold, after the aluminum alloy liquid is cooled and molded, the mold is opened, the glove metal mold is taken down, and the core is cleaned;
(2) Welding: the glove metal mold after sand core cleaning is inspected, the damaged part needs to be welded, the residual burrs are removed by using an abrasive belt machine after welding, and the damaged glove metal mold does not need to be welded and is directly subjected to burr removal;
(3) Punching: drilling a mounting hole on the glove metal mold by using a punching machine, so that the glove metal mold is conveniently mounted on the hand mold lever;
(4) Milling by a milling machine: the angle plane is processed by a milling machine, so that the mould arranged on the hand mould bar is convenient to be consistent with the glue dipping position on the glue dipping production line;
(5) Sand blasting: cleaning and coarsening the surface processed by the milling machine in a closed sand blasting device by using the impact action of high-speed sand flow;
(6) And (3) testing: inspecting the metal die obtained in the previous step, continuing to perform subsequent steps on the product meeting the requirements, and not entering the subsequent processing steps on the product not meeting the requirements;
(7) Spraying a primer: spraying primer on the glove metal mold after the sand blasting treatment, and drying the primer at the temperature of 100 ℃ after the primer is sprayed;
(8) Spraying finish paint: and (3) carrying out finish paint spraying on the glove metal mold with the dried primer, carrying out finish paint spraying at the temperature of 300-400 ℃, and drying to obtain the required product.
Furthermore, the precoated sand used in the casting and molding step is prepared from 3% of phenolic resin and 97% of quartz sand in parts by weight.
Further, the primer adopts a water-based primer which comprises, by weight, 30% of polytetrafluoroethylene resin, 50% of water, 10% of 1-methyl-2-pyrrolidone, 1% of N, N-dimethylformamide and 9% of an auxiliary agent.
Furthermore, the finish paint is a water-based finish paint which comprises, by weight, 40% of polytetrafluoroethylene, 50% of water, 5% of polyoxyethylene glycol alkyl ether and 5% of an auxiliary agent.
Further, the whole processing step process is provided with a waste gas treatment device, a waste material treatment device and a paint mist collection treatment device, wherein the waste gas treatment device is used for treating TVOC generated in the casting and forming step, the primer spraying step and the finish spraying step, the waste material treatment device is used for treating casting waste materials in the casting and forming step, waste materials in the punching step, waste leftover materials in the milling machine processing step and unqualified products generated in the inspection step, and the paint mist collection treatment device is used for treating paint mist generated in the primer spraying step and the finish spraying step.
The invention has the following advantages: according to the invention, through welding, punching and milling machine processing after pouring and forming, the problem that the quality of the plastic gloves can be directly influenced due to the existence of inevitable casting defects in the casting process of the casting metal mold is effectively avoided; the primer and the finish are sprayed well by drying the primer and the finish at high temperature, so that the demolding effect of the metal mold is further ensured; the metal die manufactured by the invention has the advantages of convenient installation, easy demoulding, difficult crushing and high yield; the invention protects the environment and maintains the health of personnel.
Drawings
FIG. 1 is a schematic flow chart of the process for manufacturing a glove metal mold according to the present invention.
Detailed Description
The specific implementation mode of the invention is as follows:
a processing technology of a glove metal mold comprises the following steps:
(1) Casting and molding: firstly, a machining center is utilized to open a sand core mold and a casting mold, a precoated sand core is used for molding in an environment of 260-340 ℃ on a core shooting machine, then an aluminum alloy ingot is melted by an electric furnace or a biomass particle furnace, the melting temperature is controlled to be 700-720 ℃, finally, the core is placed in the casting mold opened by the machining center, the melted aluminum alloy liquid is cast in the casting mold, after the aluminum alloy liquid is cooled and molded, the mold is opened, the glove metal mold is taken down, and the core is cleaned;
(2) Welding: the glove metal mold after sand core cleaning is inspected, the damaged part needs to be welded, the redundant burrs are removed by using an abrasive belt machine after welding, the damaged glove metal mold does not need to be welded, and the burrs are directly removed;
(3) Punching: drilling a mounting hole on the glove metal mold by using a punching machine, so that the glove metal mold is conveniently mounted on the hand mold lever;
(4) Milling by a milling machine: the angle plane is processed by a milling machine, so that the mould arranged on the hand mould bar is convenient to be consistent with the glue dipping position on the glue dipping production line;
(5) Sand blasting: cleaning and coarsening the surface processed by the milling machine in a closed sand blasting device by using the impact action of high-speed sand flow;
(6) And (4) checking: inspecting the metal die obtained in the previous step, continuing to perform subsequent steps on the product meeting the requirements, and not entering the subsequent processing steps on the product not meeting the requirements;
(7) Spraying a primer: spraying primer on the glove metal mold after sand blasting, and drying the primer at 100 ℃ after spraying the primer;
(8) Spraying finish paint: and (3) carrying out finish paint spraying on the glove metal mold with the dried primer, carrying out finish paint spraying at the temperature of 300-400 ℃, and drying to obtain the required product.
The precoated sand used in the casting and molding step is prepared from 3% of phenolic resin and 97% of quartz sand in parts by weight.
The primer adopts water-based primer, which comprises 30% of polytetrafluoroethylene resin, 50% of water, 10% of 1-methyl-2-pyrrolidone, 1% of N, N-dimethylformamide and 9% of auxiliary agent in parts by weight.
The finish paint is water-based and comprises 40% of polytetrafluoroethylene, 50% of water, 5% of polyoxyethylene glycol alkyl ether and 5% of auxiliary agent in parts by weight.
The waste gas treatment device, the waste treatment device and the paint mist collection treatment device are arranged in the whole processing step process, the waste gas treatment device is used for treating TVOC generated in the casting and forming step, the primer spraying step and the finish spraying step, the waste treatment device is used for treating casting waste in the casting and forming step, waste in the punching step, waste leftover materials in the milling machine processing step and unqualified products generated in the inspection step, and the paint mist collection treatment device is used for treating paint mist generated in the primer spraying step and the finish spraying step.
In the invention, because a large amount of TVOC (total volatile organic compound) can be generated in the whole manufacturing process of the metal die, the air environment is polluted, the human health is harmed, and a large amount of waste materials, such as corner waste materials processed by a milling machine, can be directly discarded to cause raw material waste, a waste gas treatment device and a waste material treatment device are arranged in the whole processing step process, the waste gas treatment device plays a role in protecting the environment and the health of personnel, and a waste material collection device is arranged to recycle the waste materials, thereby saving resources. The invention can meet the national environmental protection requirement, promote the production and development of enterprises and effectively protect the environment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The processing technology of the glove metal mold is characterized by comprising the following steps of:
(1) Casting and molding: firstly, a machining center is utilized to open a sand core mold and a casting mold, a precoated sand core is used for molding in an environment of 260-340 ℃ on a core shooting machine, then an aluminum alloy ingot is melted by an electric furnace or a biomass particle furnace, the melting temperature is controlled to be 700-720 ℃, finally, the core is placed in the casting mold opened by the machining center, the melted aluminum alloy liquid is cast in the casting mold, after the aluminum alloy liquid is cooled and molded, the mold is opened, the glove metal mold is taken down, and the core is cleaned;
(2) Welding: the glove metal mold after sand core cleaning is inspected, the damaged part needs to be welded, the residual burrs are removed by using an abrasive belt machine after welding, and the damaged glove metal mold does not need to be welded and is directly subjected to burr removal;
(3) Punching: drilling a mounting hole on the glove metal mold by using a punching machine, so that the glove metal mold is conveniently mounted on the hand mold lever;
(4) Milling by a milling machine: the angle plane is processed by a milling machine, so that the mould arranged on the hand mould lever is convenient to be consistent with the glue dipping position on the glue dipping production line;
(5) Sand blasting: cleaning and coarsening the surface processed by the milling machine in a closed sand blasting device by using the impact action of high-speed sand flow;
(6) And (3) testing: inspecting the metal die obtained in the previous step, continuing to perform subsequent steps on the product which meets the requirements, and not entering the subsequent processing step on the product which does not meet the requirements;
(7) Spraying a primer: spraying primer on the glove metal mold after sand blasting, and drying the primer at 100 ℃ after spraying the primer;
(8) Spraying finish paint: and (3) carrying out finish paint spraying on the glove metal mold with the dried primer, carrying out finish paint spraying at the temperature of 300-400 ℃, and drying to obtain the required product.
2. The process for manufacturing a glove metal mold according to claim 1, wherein: the precoated sand used in the casting and forming step is prepared from 3% of phenolic resin and 97% of quartz sand in parts by weight.
3. The process for manufacturing a glove metal mold according to claim 1, wherein: the primer adopts water-based primer, which comprises 30% of polytetrafluoroethylene resin, 50% of water, 10% of 1-methyl-2-pyrrolidone, 1% of N, N-dimethylformamide and 9% of auxiliary agent in parts by weight.
4. The process for manufacturing a glove metal mold according to claim 1, wherein: the finish paint is water-based and comprises 40% of polytetrafluoroethylene, 50% of water, 5% of polyoxyethylene glycol alkyl ether and 5% of auxiliary agent in parts by weight.
5. The process for manufacturing a glove metal mold according to claim 1, wherein: the waste gas treatment device is used for treating TVOC generated in the casting and forming step, the primer spraying step and the finish spraying step, the waste treatment device is used for treating casting waste in the casting and forming step, waste in the punching step, waste leftover materials in the milling machine processing step and unqualified products generated in the inspection step, and the paint mist collection and treatment device is used for treating paint mist generated in the primer spraying step and the finish spraying step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134329.9A CN112427899B (en) | 2020-10-21 | 2020-10-21 | Processing technology of glove metal mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011134329.9A CN112427899B (en) | 2020-10-21 | 2020-10-21 | Processing technology of glove metal mold |
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| CN112427899A CN112427899A (en) | 2021-03-02 |
| CN112427899B true CN112427899B (en) | 2023-02-07 |
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| CN202011134329.9A Active CN112427899B (en) | 2020-10-21 | 2020-10-21 | Processing technology of glove metal mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113909444A (en) * | 2021-10-07 | 2022-01-11 | 中科智研(东莞)科技有限公司 | Hand mould |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8506452A (en) * | 1985-12-09 | 1987-06-30 | Jose Luis Fagaraz | MOLD MANUFACTURING PROCESS FOR THE PRODUCTION OF RUBBER GLOVES OR SIMILAR MATERIAL |
| CN1597290A (en) * | 2004-08-03 | 2005-03-23 | 石家庄市恒鑫伟业工贸有限公司 | Metal mould for processing plastic gloves and its production method |
| CN106584715A (en) * | 2016-11-23 | 2017-04-26 | 周宇嘉 | Pressure cast metal hand mold and preparation method thereof |
| CN108621352A (en) * | 2017-03-20 | 2018-10-09 | 东莞市柏茂五金制品有限公司 | Improved metal energy-saving glove mold |
| CN109049466A (en) * | 2018-09-07 | 2018-12-21 | 肖艳芬 | A kind of glove mould and manufacturing process |
| CN110142906B (en) * | 2019-05-21 | 2021-06-01 | 郭金江 | Glove mold and manufacturing process thereof |
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