CN1118789A - Product bonded with resin paint and the process of bonding - Google Patents

Abstract

The invention provides coking products using resin-based coating and cementation method, at least one part of two or more parts to be bonded to one another is coated with a resin-based adhesive coating. The coated part and another party of parts are then contactedly assembled and baked to effect bonding of the contacted area(s) between the parts owing to the adhesive force of the coating. The said coating are alkyd resin , phenolic resin, acrylic resin, epoxy resin or polyurethane resin, one of the said parts is made of magnetic material, others are made of non-magnetic, soft-magnetic, or ferromagnetism metal.

Description

With resinous varnish agglutinating goods and adhering method thereof

The present invention relates to resinous varnish agglutinating goods and adhering method thereof.

In industry and the various goods used of daily life, have some to include two or more parts, wherein at least one parts for decoration or antirustly carried out application and baking, and these parts are bonding and fit together with tackiness agent.For example, Fig. 8 has schematically showed the packaging technology of stepping motor rotor.This rotor 10 comprises one by magneticsubstance, makes ring 12 and one usefulness nonmagnetic material (SUS304, aluminium etc.) as neodymium-iron-boron (Nd-Fe-B) and makes, and is inserted in the axle sleeve 14 in the ring 12.In this case, get rusty easily as the surface of the ring 12 of magneticsubstance, and outward appearance is bad, thus with axle sleeve 14 assemblings before to carry out application and handle.That is, shown in Fig. 8 (1), adopt electrophoretic painting or be sprayed on the surface of ring 12 to be coated with rust protection coating 16, then shown in Fig. 8 (2), in process furnace 18 (electric furnace, gas furnace etc.), toast, after this shown in Fig. 8 (3), be coated with suitable tackiness agent 20 at the inner edge that encircles 12.Then axle sleeve 14 is inserted in the ring 12, thereby with parts 12,14 bonding fitting together.

Fig. 9 (1) shows that fan-shaped magnet 24 is bonded on the internal surface of the garden tubular yoke 22 in the motor housing with the interval of regulation along garden Zhou Fangxiang.In the case, impose rust proof paint 16 by methods such as electrophoretic paintings on the surface of every fan-shaped magnet 24, handle by in process furnace, curing then, to be coated in the tackiness agent on the baked coating it is bonded on the internal surface of yoke 22 at last.

As mentioned above, industrial or civilian, comprise two or more parts and one of them parts scribbles coating, in the product that after this these adhering components fitted together, need an independent operation so as after to finish application adhesive stripe-coating.As a result, increase owing to operation and adopted tackiness agent that manufacturing cost is risen.In addition, this binding agent overflows from the goods as adhering object, impairs the cooperation of size or causes bad order.Also have, volatile solvent contained in this tackiness agent can evaporate, and pollutes Working environment.In addition, also have a shortcoming: after needing the single parts of application by electrophoretic painting or spray treatment, when baking, because heat affecting causes this part distortion or generation strain, thus the required tolerance range of the product after can not guaranteeing to assemble.

The present invention relates to various industrial and civilian products, described product comprises two or more parts, wherein at least one parts is handled through application, and these parts at this after bonding and fit together, the purpose of this invention is to provide method as described below: (1) does not need to be coated with the operation of binding agent and does not use binding agent, thereby helps to reduce production costs; (2) solve owing to tackiness agent overflows the bad order that causes and improves Working environment; (3) eliminate the distortion or the strain of parts, thereby guarantee the precision of assembling.

For addressing the above problem and finish desired purpose, the adhesive product of employing cold coating of the present invention is characterised in that: the cold coating by having adhesion characteristic is with the parts bonding more than 2, then to this cold coating baking processing, thereby with the above-mentioned parts bonding more than 2 together.

Also have, for addressing the above problem and finish the purpose of being expected, the feature of the adhering method of the employing cold coating of another invention of the application is, the cold coating that will have a bond properties is coated in two or more parts of desiring to bond together at least one, with the parts of described coating and other parts to contact with each other, fit together, baking then is so that the contact site between described parts bonds together because of the cohesive force of this coating.

Fig. 1 is a synoptic diagram of showing the rotor assembly assembling structure in the stepper-motor of an embodiment of the present invention.

Fig. 2 is a synoptic diagram of showing the packaging assembly of the round shape yoke in the motor casing of another embodiment of the present invention.

Fig. 3 is a synoptic diagram of showing the spindle motor housing assembling of yet another embodiment of the invention.

Fig. 4 is a synoptic diagram of showing the rotor assembly piece installing that is used for disc driver of another embodiment of the present invention.

Fig. 5 is a synoptic diagram of showing the motor casing assembly of yet another embodiment of the invention.

Fig. 6 is a synoptic diagram of showing the Magnetic Sensor of yet another embodiment of the invention.

Fig. 7 is a synoptic diagram of showing the rotor that is used for generator of yet another embodiment of the invention.

Fig. 8 is a synoptic diagram of showing the packaging technology of stepping motor rotor.

Fig. 9 shows that the round shape yoke in the spindle motor reaches the synoptic diagram of the assembled relation of adherent fan-shaped magnet with it, and wherein, (1) is the skeleton view of yoke, and (2) are its vertical cross sections.

Enumerate embodiment below and illustrate of the present invention with reference to accompanying drawing with bonding goods and the technique for sticking thereof of cold coating.In illustrated embodiment, parts are by magneticsubstance, annular magnet or the fan-shaped magnet made as neodymium-iron-boron (Nd-Fe-B) or ruthenium-cobalt (Sm-Co), and other parts are the axle sleeve or the ferromagnetic yoke of non-magnetic metal.Yet the present invention is not limited to use the goods or the adhesive method of these parts.In addition, identical with the parts of before having described parts are given same label.

Fig. 1 has showed the packaging assembly of the rotor of the stepper-motor of before narrate in Fig. 8, rotor 10 is that the cover 14 by the ring 12 of above-mentioned magneticsubstance and non-magnetic stainless steel or aluminium etc. constitutes, and overlaps 14 and is inserted in and encircles in 12.On ring 12 surface, for example scribble rust proof paint 16, but in this stage, do not carry out the baking in process furnace (electric furnace, gas furnace etc., below identical) by electrophoretic c..Here employed rust protection coating 16 can adopt the cold coating of bond properties, for example: the Synolac of polyester resin; By the resol that obtains in conjunction with phenol and formaldehyde; The thermosetting acrylic resin that forms by non-functional and functional combination of monomers; The Resins, epoxy that contains oxirane ring in the molecule; Contain the urethane resin of a plurality of amino-formate bonds etc. in the molecule.By above-mentioned axle sleeve 14 is inserted tightly ring 12, surface goes up in the through hole with the cold coating coating that bond properties is arranged, toasts rotor 10 before thereby produce.Then, this rotor 10 of baking in the process furnace (not shown), above-mentioned cold coating 16 shows binding property, thus guarantee to encircle 12 and cover 14 bonding in the contact position.

Fig. 2 shows the packaging assembly of the round shape yoke in the motor casing of before addressing in Fig. 9, it is to be made of yoke 22 and polylith fan-shaped magnet 24, and magnet 24 is to be bonded on the internal surface of yoke 22 around the predetermined edge, interval.That is, the surface of every fan-shaped magnet 24 scribbles the fusible cold coating 16 of tool with galvanic deposit coated method etc., but does not carry out baking to fan-shaped magnet 24 in this stage.Place the assembling of finishing the round shape yoke on the predetermined position of yoke 22 by the fan-shaped magnet that will scribble rust proof paint 16.And then, this round shape yoke subassembly of baking in the process furnace (not shown), above-mentioned cold coating 16 its bond propertiess of performance, thus guarantee the combination of fan-shaped magnet 24 and yoke 22 in the contact site.

Fig. 3 shows a spindle motor, and round shape field magnetic 28 is wherein made as neodymium-iron-boron or ruthenium-cobalt etc. by magneticsubstance, and it is inserted in the housing 26, and housing 26 is an annular cranse (as yokes).On the surface of tubular field magnetic 28, be coated with the cold coating 16 of adhesion characteristic by galvanic deposit coating etc., but tubular field magnetic 28 do not toasted in this stage.The tubular field magnetic 28 that scribbles rust proof paint 16 is inserted in the housing 26, make it closely to contact, thereby obtain housing unit with the inwall of this housing.Then, toast this housing unit, given play to the cohesiveness of above-mentioned cold coating 16, thereby guarantee that tubular field magnetic 28 and housing 26 are bonding in the contact site.

Fig. 4 shows a kind of rotor assembly, for example is used for the rotor assembly of disc driver.This rotor assembly is by magneticsubstance, and the ring of making as ring-shaped magnet 32 that neodymium-iron-boron etc. is made and magnetic or non-magnetic metal 30 constitutes, and ring-shaped magnet 32 is to be inserted on the periphery of ring 30.Be coated with on the surface of ring-shaped magnet 32 with the above-mentioned cold coating with bond properties 16 by methods such as galvanic deposit coatings, but ring-shaped magnet 32 do not toasted in this stage.The outer rim that ring-shaped magnet 32 by will scribbling rust proof paint 16 inserts ring 30 closely contacts with the outer wall of this ring making it, thereby obtains the subassembly of rotor.Subsequently, toast this rotor stack, above-mentioned cold coating is brought into play its binding property, thereby guarantees that ring-shaped magnet 32 is bonding in the contact site with ring 30.

Fig. 5 has showed the motor casing subassembly of another embodiment, and wherein several piece is by magneticsubstance, and the sector field magnet of making as neodymium-iron-boron etc. 36 is inserted in the housing of being made by magnetic or nonmagnetic metallic substance 34 with predetermined interval.Coat the above-mentioned cold coating that adhesion characteristic is arranged 16 on the surface of every block of sector field magnet 36 with galvanic deposit coating method etc., but do not toast this sector field magnet in this stage.The sector field magnet 36 that scribbles rust proof paint 16 is inserted housing 34, make it closely to contact, obtain housing unit with the inwall of housing.Subsequently, toast this housing unit, above-mentioned cold coating 16 its binding propertys of performance, thus guarantee bonding in the contact site of sector electromagnet 36 and housing 34.Sometimes label 37 in the figure is the unshowned position of bearings that is used to adorn bearing.

Fig. 6 has showed a kind of magnetics is installed on the parent plate and the Magnetic Sensor that forms; By magneticsubstance, as neodymium-iron-boron, the magnetics 38 that ruthenium-cobalt is made is bonded on the substrate 40 of specified dimension.That is, coat the above-mentioned cold coating that adhesion characteristic is arranged 16 on the surface of magnetics 38 with galvanic deposit coated method etc., but do not toast magnetics 38 in this stage.The magnetics 38 that scribbles rust proof paint 16 is placed on the position that suits on the surface of substrate 40.And then by toasting this magnetometric sensor, above-mentioned cold coating 16 shows adhesive capacity, thereby guarantees that magnetics 38 and parent plate 40 are bonding in the contact site.

Fig. 7 has showed a rotor stack that is used for generator, and this rotor stack is by casting rotor 42 that magnet makes and being made of the yoke made from ferromagnetic material 44 with Alnico aluminium-nickel-cobalt alloy, and yoke 44 is to be bonded on the surface of rotor 42.In other words, the surface on 4 sides of rotor 42 is the plane surface that is made into trough of belt, and coats the above-mentioned cold coating that bond properties is arranged 16 with galvanic deposit coated method etc., but does not toast rotor 42 in this stage.Yoke element 44 is placed the lip-deep appropriate location of the rotor 42 that scribbles rust proof paint.And then by toasting this generating body, above-mentioned cold coating 16 shows cohesiveness, thereby guarantees that rotor 42 and yoke body 44 are bonding in the contact site.

Claims (7)

1. adopt the bonded product of resinous varnish, it is characterized in that, two or more parts are contacted with each other by the cold coating with adhesiveproperties, then this coating is carried out baking processing, thereby make described parts bonding more than 2 together.

2. described goods of claim 1, wherein, described coating adopts Synolac, resol, acrylic resin, Resins, epoxy or urethane resin.

3. claim 1 or 2 described goods, wherein, one of described parts are made by magneticsubstance, and other parts are made by non magnetic, soft magnetism or ferromagnetic metal.

4. adopt the adhering method of cold coating, it is characterized in that, the cold coating that will have adhesiveproperties is applied in two or more parts of desiring to bond together at least one, by contacting with each other the parts of described coating and other parts are fitted together, toast described assembly then, thereby the contact site between described parts bonds by the bonding of described coating.

5. the described method of claim 4, wherein, parts that have been coated with described coating are made by magneticsubstance, and the parts that other the parts with scribbling coating contact are made by non magnetic, soft magnetism or ferromagnetic metal.

6. claim 4 or 5 described methods wherein adopt galvanic deposit to apply described coating are applied on the described parts.

7. claim 4,5 or 6 described methods, wherein, described coating adopts Synolac, resol, acrylic resin, Resins, epoxy or urethane resin.

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