CN114210519B - Automatic change coating equipment - Google Patents

Automatic change coating equipment Download PDF

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Publication number
CN114210519B
CN114210519B CN202111559161.0A CN202111559161A CN114210519B CN 114210519 B CN114210519 B CN 114210519B CN 202111559161 A CN202111559161 A CN 202111559161A CN 114210519 B CN114210519 B CN 114210519B
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CN
China
Prior art keywords
iron boron
neodymium iron
supporting
rubber ring
coating
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Application number
CN202111559161.0A
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Chinese (zh)
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CN114210519A (en
Inventor
熊军
方戟
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Ningbo Giantank Magnet Co ltd
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Ningbo Giantank Magnet Co ltd
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Priority to CN202111559161.0A priority Critical patent/CN114210519B/en
Publication of CN114210519A publication Critical patent/CN114210519A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02Means for manipulating or holding work, e.g. for separate articles for particular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254After-treatment

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  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses automatic coating equipment, which is characterized in that: including front mould benevolence (1), back mould benevolence (2) and supporting component (3), front mould benevolence (1) forms die cavity (4) that is used for carrying out the coating for neodymium iron boron piece (5) with back mould benevolence (2) after the compound die, supporting component (3) are used for fixing neodymium iron boron piece (5) in die cavity (4) and the unsettled setting in surface of neodymium iron boron piece (5). The invention provides automatic coating equipment which enables the coating thickness of the surface of a neodymium iron boron block to be uniform, has strong stability and is easy to combine with an automatic program.

Description

Automatic change coating equipment
Technical Field
The invention relates to the field of surface coating equipment, in particular to automatic coating equipment.
Background
The neodymium iron boron permanent magnet is widely applied to industries such as energy, transportation, machinery, medical treatment, household appliances, IT and the like since the time of the year because of high saturation magnetization, coercive force and magnetic energy product, and the product relates to numerous fields of national economy.
At present, the surface protection treatment of the neodymium iron boron permanent magnet is the most effective method for improving the corrosion resistance of the sintered neodymium iron boron permanent magnet, and mainly comprises phosphating treatment, electroplating, electrophoresis, chemical plating, magnetron sputtering and the like, although the methods can improve the corrosion resistance of the sintered neodymium iron boron to a certain extent, the method can not meet the requirements of new fields along with the continuous widening of application fields, some coating technologies are easy to have uneven coating thickness and unsmooth surface and need to carry out surface secondary processing, so that the neodymium iron boron permanent magnet cannot be directly put into use after coating, the coatings passing through the coating technologies have obvious instability, accurate automatic positioning is difficult to carry out before secondary processing, the capacity of combining the coating technologies and the automatic technologies is weak, and the efficient automatic production of the coating technologies is not facilitated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the automatic coating equipment has the advantages that the coating thickness of the surface of the neodymium iron boron block is uniform, the stability is high, and the automatic program is easy to combine.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides an automatic change coating equipment, includes front mould benevolence, back mould benevolence and supporting component, front mould benevolence and back mould benevolence form after the compound die and are used for carrying out the die cavity that coats for the neodymium iron boron piece, supporting component is used for fixing the neodymium iron boron piece at the die cavity and the unsettled setting in surface of neodymium iron boron piece.
Compared with the prior art, the invention has the advantages that: the neodymium iron boron block is suspended through the supporting assembly, then the material is supplied into the die cavity, and after the coating is filled in the die cavity, a layer of coating can be formed on the surface of the neodymium iron boron block, so that the purpose of coating the surface of the neodymium iron boron block is achieved, and in the process of filling the coating, when the neodymium iron boron block is arranged at the center of the die cavity, the effect of uniform thickness of the surface coating of the neodymium iron boron block can be met; the surface adhesion effect of the coating and the neodymium iron boron block is better in a pressurizing mode, so that the effect that the coating on the surface of the neodymium iron boron block is not easy to fall off is achieved; the coating has stable structure and is easier to combine with an automatic program so as to improve the production efficiency.
As an improvement of the invention, the neodymium iron boron block is provided with an inner hole, the support assembly comprises a support rod which supports the inner hole to enable the outer surface of the neodymium iron boron block to be suspended, and the suspension of the outer surface of the neodymium iron boron block is realized through the improvement, so that the outer surface of the neodymium iron boron block can be in contact with the coating when the coating is filled, and the purpose that the coating is realized on the outer surface is achieved.
As an improvement of the invention, the support rod is provided with an expansion rubber ring for supporting the inner hole, the expansion rubber ring is internally provided with a wedge block for expanding the expansion rubber ring, the wedge block is connected to the driving disc, through the improvement, when the driving disc drives the wedge block to move, the expansion and the contraction of the expansion rubber ring can be realized, when the expansion rubber ring expands, the expansion rubber ring abuts against the inner hole so as to realize the supporting effect of the expansion rubber ring on the neodymium iron boron block, and when the expansion rubber ring contracts, the expansion rubber ring is separated from the inner hole.
As an improvement of the present invention, the two expansion rubber rings are provided, the two expansion rubber rings are respectively provided at two ends of the inner hole, when the expansion rubber rings expand, the inner hole is sealed to prevent the paint from entering the inner hole, through the improvement, when the expansion rubber rings expand, the neodymium iron boron block is supported, the area where the expansion rubber rings and the inner hole are in contact cannot be coated, if the paint enters the inner hole, the inner hole is correspondingly coated, when the inner surface needs to be coated, especially when the contact position of the expansion rubber rings and the inner hole is coated, a coating layering phenomenon is formed, the adhesion between the coatings is poor, and the coating is easy to fall off, so that when the outer surface needs to be coated, the inner surface is sealed to ensure the consistency and integrity of the coating formed on the inner surface.
As an improvement of the invention, a gap for coating the inner surface is arranged between the support rod and the inner surface, the support rod is provided with a feed channel, the coating effect on the inner surface is realized through the improvement, and the uniformity of the coating on the inner surface can be realized even if the support rod and the inner hole are coaxially arranged through the control of the gap between the support rod and the inner surface, and the coaxial arrangement can be realized through the process that the expansion rubber ring is abutted against the inner surface in the expansion process of the expansion rubber ring.
As an improvement of the invention, the supporting component further comprises an upper supporting block and a lower supporting block, wherein the upper supporting block and the lower supporting block are used for positioning the height of the neodymium iron boron block.
As an improvement of the invention, the upper supporting block is movably connected on the front die core, and the lower supporting block is movably connected on the rear die core.
As an improvement of the invention, the upper supporting block is provided with a plurality of blocks, the plurality of upper supporting blocks are arranged along the circumferential direction of the neodymium iron boron block, the lower supporting block is also provided with a plurality of blocks, and the plurality of lower supporting blocks and the plurality of upper supporting blocks are arranged in a one-to-one correspondence manner.
As an improvement of the invention, a plurality of upper supporting blocks are connected to an upper driving plate, and a plurality of lower supporting blocks are connected to a lower driving plate.
As an improvement of the invention, the heating pipes are arranged on the front mold core and the rear mold core, and through the improvement, when the coating is finished, the coating can be quickly dried, the solidification of the coating is accelerated, the switching from the outer surface coating to the inner surface coating is convenient, and the neodymium iron boron block with the finished coating can be conveniently taken out of the mold cavity.
Drawings
Fig. 1 is a schematic sectional structure view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the expansion rubber ring when the expansion rubber ring is expanded.
Fig. 3 is a schematic structural view of the expansion rubber ring when the expansion rubber ring contracts.
Shown in the figure: 1. front mould core, 2, back mould core, 3, supporting component, 3.1, bracing piece, 3.1.1, interior surface coating feedstock channel, 3.2, inflation rubber ring, 3.3, voussoir, 3.4, driving-disc, 3.5, go up the supporting block, 3.6, bottom suspension piece, 3.7, go up the drive plate, 3.8, bottom suspension piece, 4, the die cavity, 5, neodymium iron boron piece, 5.1, the hole, 6, the heating pipe.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1, an automatic coating equipment, including front mould benevolence 1, back mould benevolence 2 and supporting component 3, front mould benevolence 1 forms the die cavity 4 that is used for carrying out the coating for neodymium iron boron piece 5 with back mould benevolence 2 behind the compound die, supporting component 3 is used for fixing neodymium iron boron piece 5 in die cavity 4 and the unsettled setting in surface of neodymium iron boron piece 5, be equipped with hole 5.1 on the neodymium iron boron piece 5, supporting component 3 includes through supporting hole 5.1 so that neodymium iron boron piece 5's surface carries out unsettled bracing piece 3.1.
As shown in fig. 1-3, an expansion rubber ring 3.2 for supporting the inner hole 5.1 is arranged on the support rod 3.1, a wedge block 3.3 for expanding the expansion rubber ring 3.2 is arranged inside the expansion rubber ring 3.2, the wedge block 3.3 is connected to the drive disk 3.4, two expansion rubber rings 3.2 are arranged, the two expansion rubber rings 3.2 are respectively arranged at two ends of the inner hole 5.1, when the expansion rubber ring 3.2 expands, the inner hole 5.1 is closed to prevent the paint from entering the inner hole 5.1, a gap for coating the inner surface is arranged between the support rod 3.1 and the inner surface, and a feed channel 3.1.1 for coating the inner surface is arranged on the support rod 3.1.
As shown in fig. 1, the supporting component 3 further includes an upper supporting block 3.5 and a lower supporting block 3.6, the upper supporting block 3.5 and the lower supporting block 3.6 are used for positioning the height of the neodymium iron boron block 5, the upper supporting block 3.5 is movably connected to the front mold core 1, the lower supporting block 3.6 is movably connected to the rear mold core 2, the upper supporting block 3.5 is provided with four blocks, the upper supporting block 3.5 is arranged along the circumferential direction of the neodymium iron boron block 5, the lower supporting block 3.6 is also provided with four blocks, the lower supporting block 3.6 and the four upper supporting blocks 3.5 are arranged in a one-to-one correspondence manner, four blocks are connected to the upper supporting block 3.5, and four blocks are connected to the lower driving plate 3.8.
As shown in fig. 1, the front mold core 1 and the rear mold core 2 are both provided with heating pipes 6.
The front mold core 1 is fixed on a front mold, and the front mold, the driving disc 3.4, the upper driving plate 3.7 and the lower driving plate 3.8 are all connected with corresponding driving oil cylinders, which all belong to the conventional technology in the mold field.
The mold cavity 4 is also provided with a corresponding outer surface coating feed channel and vent hole, which are the same as those in a conventional injection mold, and belong to the conventional technology.
The front mold core 1, the rear mold core 2, the upper supporting block 3.5, the lower supporting block 3.6 and the supporting rod 3.1 are all made of high-temperature-resistant resin materials, the adhesion of the materials and aluminum-based coatings is far smaller than that of the neodymium iron boron block 5 and the aluminum-based coatings, and therefore when the structures are separated from the coatings, the coatings are attached to the neodymium iron boron block 5.
In the structure, the thickness of the outer surface coating of the neodymium iron boron block 5 is the same as that of the inner surface coating, namely, the distance between the upper surface of the neodymium iron boron block 5 and the upper end face of the die cavity 4, the distance between the lower surface of the neodymium iron boron block 5 and the lower end face of the die cavity 4, the distance between the side face of the neodymium iron boron block 5 and the corresponding side face of the die cavity 4, and the distance between the inner surface of the neodymium iron boron block 5 and the supporting rod 3.1 are equal.
The operation steps are as follows:
s1: opening the front mold core 1, aligning an inner hole 5.1 of the neodymium iron boron block 5 with the support rod 3.1, and sleeving the support rod 3.1;
s2: closing the die, and driving the upper drive plate 3.7 and the lower drive plate 3.8 to enable the upper support block 3.5 and the lower support block 3.6 to clamp the neodymium iron boron block 5, controlling the neodymium iron boron block 5 to be positioned at the central position of the die cavity 4, and ensuring that the distance between the neodymium iron boron block 5 and the upper surface of the die cavity 4 is equal to the distance between the neodymium iron boron block 5 and the lower surface of the die cavity 4;
s3: the two driving discs 3.4 are driven to expand the expansion rubber ring 3.2, so that the support rod 3.1 fixes the neodymium iron boron block 5;
s4: the upper supporting block 3.5 and the lower supporting block 3.6 are reset, and the expansion rubber ring 3.2 is used for coaxially fine-tuning the supporting rod 3.1 and the neodymium iron boron block 5;
s5: feeding and pressurizing the outer surface coating feeding channel to finish the outer surface coating;
s6: heating the heating pipe 6, and drying the coating on the outer surface to solidify the coating;
s7: the upper supporting block 3.5 and the lower supporting block 3.6 clamp the neodymium iron boron block 5 again;
s8: driving the driving disc 3.4 to make the expansion rubber ring 3.2 contract and reset;
s9: the feeding channel 3.1.1 of the inner surface coating carries out feeding and pressurization to finish the inner surface coating;
s10: heating the heating pipe 6, and drying the coating on the inner surface to solidify the coating;
s11: and resetting the upper support block 3.5 and the lower support block 3.6, opening the die, and taking out the neodymium iron boron block 5 with the surface coating.
Above-mentioned process has not only accomplished the coating to 5 all surfaces of neodymium iron boron piece to realized the stoving treatment to 5 coatings of neodymium iron boron piece, avoided neodymium iron boron piece 5 when taking out die cavity 4, the adhesion has coating on 4 surfaces of die cavity or bracing piece 3.1, influences 5 surface coating quality of neodymium iron boron piece.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.

Claims (7)

1. An automated coating apparatus, characterized by: including preceding mould benevolence (1), back mould benevolence (2) and supporting component (3), preceding mould benevolence (1) forms die cavity (4) that is used for carrying out the coating for neodymium iron boron piece (5) with back mould benevolence (2) after the compound die, supporting component (3) are used for fixing neodymium iron boron piece (5) in die cavity (4) and the unsettled setting in surface of neodymium iron boron piece (5), be equipped with hole (5.1) on neodymium iron boron piece (5), supporting component (3) are including carrying out unsettled bracing piece (3.1) through the surface that supports hole (5.1) so that neodymium iron boron piece (5), be equipped with inflation rubber ring (3.2) that are used for supporting hole (5.1) on bracing piece (3.1), the inside of inflation rubber ring (3.2) is equipped with voussoir (3.3) that makes inflation rubber ring (3.2) inflation, voussoir (3.3) are connected on driving-disc (3.4), inflation rubber ring (3.2) are equipped with two altogether inflation rubber ring (3.2) locate inflation rubber ring (3.2) and treat in the inflation coating in order to prevent inflation rubber ring (5.1) to seal in the hole (5.1) two.
2. An automated coating apparatus according to claim 1, wherein: a gap for coating the inner surface is formed between the support rod (3.1) and the inner surface, and a feeding channel (3.1.1) for coating the inner surface is arranged on the support rod (3.1).
3. An automated coating apparatus according to claim 1, wherein: supporting component (3) still include supporting block (3.5) and bottom suspension fagging (3.6), go up supporting block (3.5) and bottom suspension fagging (3.6) and be used for fixing a position the height of neodymium iron boron block (5).
4. An automated coating apparatus according to claim 3, wherein: the upper supporting block (3.5) is movably connected to the front die core (1), and the lower supporting block (3.6) is movably connected to the rear die core (2).
5. An automated coating apparatus according to claim 4, wherein: go up supporting shoe (3.5) and be equipped with the polylith altogether, the polylith go up supporting shoe (3.5) and set up along the circumference of neodymium iron boron piece (5), lower shoe (3.6) also is equipped with the polylith, polylith supporting shoe (3.5) one-to-one setting on lower shoe (3.6) and the polylith.
6. An automated coating apparatus according to claim 5, wherein: the upper supporting blocks (3.5) are connected to an upper driving plate (3.7), and the lower supporting blocks (3.6) are connected to a lower driving plate (3.8).
7. An automated coating apparatus according to claim 1, wherein: the front mold core (1) and the rear mold core (2) are both provided with heating pipes (6).
CN202111559161.0A 2021-12-20 2021-12-20 Automatic change coating equipment Active CN114210519B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111559161.0A CN114210519B (en) 2021-12-20 2021-12-20 Automatic change coating equipment

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Application Number Priority Date Filing Date Title
CN202111559161.0A CN114210519B (en) 2021-12-20 2021-12-20 Automatic change coating equipment

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CN114210519A CN114210519A (en) 2022-03-22
CN114210519B true CN114210519B (en) 2022-10-18

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2037087A (en) * 1978-12-11 1980-07-02 Kumagawa O A transformer covered with thermoplastic resin and a method for covering it
US6033724A (en) * 1996-11-27 2000-03-07 Spalding Sports Worldwide, Inc. Golf ball mold preparation technique and coating system
CN1276269A (en) * 1999-06-01 2000-12-13 日本电产株式会社 Apparatus and method for spray coating ring articles
JP2005288834A (en) * 2004-03-31 2005-10-20 Tdk Corp Mold for resin coating and method for manufacturing resin-coated part
CN202343420U (en) * 2011-10-15 2012-07-25 诸城市恒信基汽车部件有限公司 Rubber protecting plug for plate spring coating
CN206868532U (en) * 2017-05-10 2018-01-12 江苏时代鑫新环保科技有限公司 A kind of electrode dipping protection cap device
CN111968849A (en) * 2020-03-24 2020-11-20 烟台首钢磁性材料股份有限公司 Device and method for improving coercive force of annular neodymium-iron-boron magnet

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200838674A (en) * 2007-03-20 2008-10-01 yu-xuan Jin In-mold coating method and device thereof
WO2018209197A2 (en) * 2017-05-12 2018-11-15 Gvd Corporation Systems for depositing coatings on surfaces and associated methods

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2037087A (en) * 1978-12-11 1980-07-02 Kumagawa O A transformer covered with thermoplastic resin and a method for covering it
US6033724A (en) * 1996-11-27 2000-03-07 Spalding Sports Worldwide, Inc. Golf ball mold preparation technique and coating system
CN1276269A (en) * 1999-06-01 2000-12-13 日本电产株式会社 Apparatus and method for spray coating ring articles
JP2005288834A (en) * 2004-03-31 2005-10-20 Tdk Corp Mold for resin coating and method for manufacturing resin-coated part
CN202343420U (en) * 2011-10-15 2012-07-25 诸城市恒信基汽车部件有限公司 Rubber protecting plug for plate spring coating
CN206868532U (en) * 2017-05-10 2018-01-12 江苏时代鑫新环保科技有限公司 A kind of electrode dipping protection cap device
CN111968849A (en) * 2020-03-24 2020-11-20 烟台首钢磁性材料股份有限公司 Device and method for improving coercive force of annular neodymium-iron-boron magnet

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