CN112109278B - Protective tooth for shaping motor coil and production process - Google Patents
Protective tooth for shaping motor coil and production process Download PDFInfo
- Publication number
- CN112109278B CN112109278B CN202010965678.9A CN202010965678A CN112109278B CN 112109278 B CN112109278 B CN 112109278B CN 202010965678 A CN202010965678 A CN 202010965678A CN 112109278 B CN112109278 B CN 112109278B
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- Prior art keywords
- tooth
- injection molding
- protective
- protection tooth
- pom
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
- B29C45/1866—Feeding multiple materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/7207—Heating or cooling of the moulded articles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
Abstract
The invention discloses a protective tooth for shaping a motor coil and a production process thereof, wherein the protective tooth comprises a protective tooth front end, a protective tooth middle end and a protective tooth tail end; the front end of the protection tooth, the middle end of the protection tooth and the tail end of the protection tooth are integrally formed by injection molding; the front end of the protection tooth, the middle end of the protection tooth and the tail end of the protection tooth are made of POM and color master batches. The POM and the color master batch are mixed and injected to form the protective teeth, so that the original metallic protective teeth are replaced, the processing technology is reduced, the processing procedures are reduced, and the production cost is reduced; when the enameled wire protective gear is used, the enameled wire is not pressed by the protective gear, and the enameled wire is not deformed, broken and damaged, so that the product failure rate is reduced, frequent maintenance is not needed, the labor force of workers is reduced, and the working efficiency is increased; when the protective teeth are worn to be incapable of being used continuously, the protective teeth can be used as reclaimed materials for injection molding again, and cost is saved.
Description
Technical Field
The invention relates to a protective tooth, in particular to a protective tooth for shaping a motor coil and a production process thereof.
Background
The traditional protective teeth are generally made of metal materials, and during the coil shaping process, enameled wires are easy to deform, break and damage a paint film due to compression, so that the overall performance of a motor is unqualified or the failure rate of the motor is increased during use; the original protective teeth are complex in process during machining and manufacturing, all machining procedures needed during machining of metal parts such as heat treatment, polishing, grinding, machining, wire cutting and the like are needed, the cost is increased, and the manufacturing efficiency is low; and original protection tooth needs to maintain the inspection many times every day when using, comparatively extravagant manpower, and inefficiency still need adjust the protection tooth through processes such as polishing, polishing during the maintenance, if discover behind the inspection unqualifiedly then directly scrap and handle, unable direct recycle, very extravagant cost. Therefore, the protection tooth for shaping the motor coil and the production process are provided.
Disclosure of Invention
The invention aims to solve the problems and provides a protective tooth for shaping a motor coil and a production process.
In order to achieve the purpose, the invention provides the following technical scheme that the protection tooth for shaping the motor coil comprises a protection tooth front end, a protection tooth middle end and a protection tooth tail end; the front end of the protection tooth, the middle end of the protection tooth and the tail end of the protection tooth are integrally formed by injection molding; the front end, the middle end and the tail end of the protection tooth are made of POM and color master batches; the ratio of the POM to the color master batch is 25; the POM is divided into a new material and a reclaimed material; the proportion of the POM new material to the POM reclaimed material is 100; the protective tooth is characterized in that a positioning table is arranged at the joint of the middle end of the protective tooth and the tail end of the protective tooth, and a positioning hole is further formed in the tail end of the protective tooth.
A production process of a protective tooth for shaping a motor coil is characterized by comprising the following steps: the steps are as follows:
the first step is as follows: adding materials; adding the proportioned color master batch and POM into a charging barrel of an injection molding machine;
the second step is that: feeding; the charging barrel sends the materials to a drying area to dry the materials, water in the materials is removed, and the drying temperature is 70-90 ℃;
the third step: injection molding; heating the dried material by an injection molding machine to melt the material, wherein the heating temperature is 180-190 ℃, injecting the material into a mold through the injection molding machine after hot melting, and performing pressure maintaining treatment after the injection molding of the injection molding machine is completed, wherein the pressure maintaining pressure is 70-100kpa, and the pressure maintaining time is 5-10 seconds, and the pressure maintaining is to ensure that an injection molded part cannot shrink and improve the product quality; then cooling the mixture by a mould to form the mixture; the cooling time is 2-4 minutes;
the fourth step: shaping; taking out the molded injection molding piece, and putting the molded injection molding piece into circulating water for water cooling and shaping;
the fifth step: packaging; and taking out the cooled and shaped protection teeth from the water, air-drying, and packaging and boxing.
According to the invention, the POM and the color master batch are mixed and injected to prepare the protective teeth, so that the protective teeth which are originally made of metal are replaced, the processing technology is reduced, the processing procedures are reduced, and the production cost is reduced; when the enameled wire protective gear is used, the enameled wire is not pressed by the protective gear, and the enameled wire is not deformed, broken and damaged, so that the reject ratio of products is reduced, frequent maintenance is not needed, the labor force of workers is reduced, and the working efficiency is increased; when the protective teeth are worn to be incapable of being used continuously, the protective teeth can be used as reclaimed materials for injection molding again, and cost is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a process flow diagram of the present invention.
Illustration of the drawings: 1. protecting the front end of the tooth; 2. protecting the middle end of the tooth; 3. protecting the tail end of the tooth; 4. a positioning table; 5. and (7) positioning the holes.
Detailed Description
The protection tooth for shaping the motor coil and the production process thereof according to the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the protection tooth for shaping the motor coil of the present embodiment includes a protection tooth front end 1, a protection tooth middle end 2 and a protection tooth tail end 3; the protective gear is characterized in that the front end 1 of the protective gear, the middle end 2 of the protective gear and the tail end 3 of the protective gear are integrally formed by injection molding; the front end 1, the middle end 2 and the tail end 3 of the protection tooth are made of POM and color master batches; the POM and the color master batch are mixed and injected to form the protective teeth, so that the original metallic protective teeth are replaced, the processing technology is reduced, the processing procedures are reduced, and the production cost is reduced; when the enameled wire protective gear is used, the enameled wire is not pressed by the protective gear, and the enameled wire is not deformed, broken and damaged, so that the product failure rate is reduced, frequent maintenance is not needed, the labor force of workers is reduced, and the working efficiency is increased; when the protective teeth are worn to be incapable of being used continuously, the protective teeth can be used as reclaimed materials for injection molding again, so that the cost is saved; the ratio of the POM to the color master batch is 25; the POM is divided into a new material and a reclaimed material; POM is divided into a new material and a reclaimed material, and the new material and the reclaimed material are mixed according to a certain proportion and then subjected to hot melting and injection molding again, so that the reclaimed material is recycled, and the cost is saved; the proportion of the POM new material to the POM reclaimed material is 100; the recycled materials are recycled, and meanwhile, the quality of a new injection molding product reaches the standard, and the hardness and the strength of the used protective gear are different from those of the new material, so that the quality of the new product does not reach the standard if the recycled materials are excessively added.
Further, referring to fig. 1, a positioning table 4 is arranged at the joint of the middle end 2 of the protection tooth and the tail end 3 of the protection tooth, and a positioning hole 5 is further arranged on the tail end 3 of the protection tooth; through the arrangement of the positioning table 4 and the positioning hole 5, the protective tooth is convenient to position and install when in use.
A production process of a protective tooth for shaping a motor coil comprises the following steps: as shown in the reference figure 2 of the drawings,
example 1: the steps are as follows:
the first step is as follows: fully mixing 91 parts of new materials, 9 parts of recycled POM and 4 parts of color master batches, and adding the proportioned raw materials into a charging barrel of an injection molding machine; the second step: the charging barrel sends the materials to a drying area to dry the materials, so that moisture in the materials is removed, and the drying temperature is 70 ℃;
the third step: heating the dried material by an injection molding machine to melt the material, wherein the heating temperature is 180 ℃, injecting the hot-melted material into a mold through the injection molding machine, and performing pressure maintaining treatment after the injection molding of the injection molding machine is completed, wherein the pressure maintaining pressure is 70kpa, and the pressure maintaining time is 5-10 seconds, and the pressure maintaining is to ensure that an injection molded part cannot shrink and improve the product quality; then cooling the mixture by a mould to form the mixture; the cooling time is 2-4 minutes;
the fourth step: taking out the molded injection molding piece, and putting the molded injection molding piece into circulating water for water cooling and shaping; the temperature of the injection molding part taken from the mold is still high, and in order to prevent the injection molding part from deforming during cooling, the injection molding part is placed in circulating water of normal temperature water for water cooling, the sudden drop of the temperature enables the injection molding part to achieve the quenching effect, and the strength and the hardness of the product are enhanced under the condition that the product is shaped and is not deformed, so that the wear resistance of the product is improved, the service life of the product is prolonged, and the cost is saved; the cooling water adopts circulating water to ensure that the cooling water is always kept in a normal temperature state;
the fifth step: taking out the cooled and shaped protection teeth from the water, air-drying, and packaging and boxing; adopt and air-dry can get rid of the moisture on the protection tooth fast and save the hand labor power, need not the manual work and erase moisture.
Example 2: the steps are as follows:
the first step is as follows: fully mixing 50 parts of new materials, 5 parts of recycled materials of POM and 2.2 parts of color master batches, and adding the proportioned raw materials into a charging barrel of an injection molding machine;
the second step: the charging barrel sends the materials to a drying area to dry the materials, so as to remove moisture in the materials, and the temperature of the drying area is 80 ℃;
the third step: heating the dried material by an injection molding machine to melt the material, wherein the heating temperature is 185 ℃, injecting the material into a mold by the injection molding machine after hot melting, and performing pressure maintaining treatment after the injection molding of the injection molding machine is completed, wherein the pressure maintaining pressure is 85kpa, and the pressure maintaining time is 5-10 seconds, and the pressure maintaining is to ensure that an injection molded part cannot shrink and improve the product quality; then cooling the mixture by a mould to form the mixture; the cooling time is 2-4 minutes;
the fourth step: taking out the molded injection molding piece, and putting the injection molding piece into circulating water for water cooling and shaping; the temperature of the injection molding part taken from the mold is still high, and in order to prevent the injection molding part from deforming during cooling, the injection molding part is placed in circulating water of normal temperature water for water cooling, the sudden drop of the temperature enables the injection molding part to achieve the quenching effect, and the strength and the hardness of the product are enhanced under the condition that the product is shaped and is not deformed, so that the wear resistance of the product is improved, the service life of the product is prolonged, and the cost is saved; the cooling water adopts circulating water to ensure that the cooling water is always kept in a normal temperature state;
the fifth step: taking out the cooled and shaped protective teeth from water, air-drying, packaging and boxing; adopt and air-dry can get rid of the moisture on the protection tooth fast and save hand labor power, need not the manual work and wipe off moisture.
Example 3: the steps are as follows:
the first step is as follows: fully mixing 200 parts of new materials, 20 parts of recycled materials of POM and 8.8 parts of color master batches, and adding the proportioned raw materials into a charging barrel of an injection molding machine;
the second step is that: the charging barrel sends the materials to a drying area to dry the materials, so as to remove moisture in the materials, and the temperature of the drying area is 90 ℃;
the third step: heating the dried material by an injection molding machine to melt the material, wherein the heating temperature is 190 ℃, injecting the material into a mold by the injection molding machine after hot melting, and performing pressure maintaining treatment after the injection molding of the injection molding machine is completed, wherein the pressure maintaining pressure is 100kpa, and the pressure maintaining time is 5-10 seconds, and the pressure maintaining is to ensure that an injection molded part cannot shrink and improve the product quality; then cooling the mixture by a mould to form the mixture; the cooling time is 2-4 minutes;
the fourth step: taking out the molded injection molding piece, and putting the molded injection molding piece into circulating water for water cooling and shaping; the temperature of the injection molding part taken from the mold is still higher, and in order to prevent the injection molding part from deforming during cooling, the injection molding part is placed in the circulating water of normal-temperature water for water cooling, the quenching effect is achieved due to the sudden drop of the temperature, and the strength and the hardness of the product are enhanced under the condition that the product is shaped and is not deformed, so that the wear resistance of the product is improved, the service life is prolonged, and the cost is saved; the cooling water adopts circulating water to ensure that the cooling water is always kept in a normal temperature state;
the fifth step: taking out the cooled and shaped protection teeth from the water, air-drying, and packaging and boxing; adopt and air-dry can get rid of the moisture on the protection tooth fast and save hand labor power, need not the manual work and wipe off moisture.
The scope of protection of the invention is not limited to the above embodiments and variations thereof. The present invention is not limited to the above embodiments, but may be modified in various ways.
Claims (1)
1. A protection tooth for shaping a motor coil comprises a protection tooth front end (1), a protection tooth middle end (2) and a protection tooth tail end (3); the protective gear is characterized in that the front end (1) of the protective gear, the middle end (2) of the protective gear and the tail end (3) of the protective gear are integrally formed by injection molding; the front end (1), the middle end (2) and the tail end (3) of the protection tooth are made of POM and color master batches; the ratio of the POM to the color master batch is 25; the POM is divided into a new material and a reclaimed material; the proportion of the POM new material to the recycled material is 100; a positioning table (4) is arranged at the joint of the middle end (2) of the protection tooth and the tail end (3) of the protection tooth, and a positioning hole (5) is further formed in the tail end (3) of the protection tooth; adding the proportioned color master batch and POM into a charging barrel of an injection molding machine; the charging barrel sends the materials to a drying area to dry the materials, water in the materials is removed, and the drying temperature is 70-90 ℃; heating the dried material by an injection molding machine to melt the material, wherein the heating temperature is 180-190 ℃, injecting the material into a mold through the injection molding machine after hot melting, and performing pressure maintaining treatment after the injection molding of the injection molding machine is completed, wherein the pressure maintaining pressure is 70-100kpa, and the pressure maintaining time is 5-10 seconds, and the pressure maintaining is to ensure that an injection molded part cannot shrink and improve the product quality; then cooling through a mould to form the composite material; the cooling time is 2-4 minutes; taking out the molded injection molding piece, and putting the injection molding piece into circulating water for water cooling and shaping; and taking out the cooled and shaped protection teeth from the water, air-drying, and packaging and boxing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965678.9A CN112109278B (en) | 2020-09-15 | 2020-09-15 | Protective tooth for shaping motor coil and production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965678.9A CN112109278B (en) | 2020-09-15 | 2020-09-15 | Protective tooth for shaping motor coil and production process |
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| Publication Number | Publication Date |
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| CN112109278A CN112109278A (en) | 2020-12-22 |
| CN112109278B true CN112109278B (en) | 2023-02-07 |
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| CN114536657A (en) * | 2022-03-08 | 2022-05-27 | 余姚市东普管业有限公司 | Manufacturing process of electric melting pipe fitting |
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| CN202167946U (en) * | 2011-06-27 | 2012-03-14 | 浙江大东吴汽车电机有限公司 | Stator slot wedge sizing die |
| CN103762789B (en) * | 2013-12-30 | 2016-06-22 | 山东中际电工装备股份有限公司 | A kind of shaping tooth block assembly of slot insulation protection |
| CN107337896B (en) * | 2017-08-14 | 2019-10-18 | 浙江伟星实业发展股份有限公司 | A kind of modified injection molding zipper and its production technology |
| CN210142969U (en) * | 2019-07-12 | 2020-03-13 | 联盟自动化设备（苏州）有限公司 | Motor stator shaping device |
| CN111255788A (en) * | 2020-01-16 | 2020-06-09 | 芜湖强振汽车紧固件有限公司 | Transmission separation shifting fork supporting bolt with POE (polyolefin elastomer) ball head part and preparation method thereof |
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