CN104617722B - A kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator - Google Patents

A kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator Download PDF

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Publication number
CN104617722B
CN104617722B CN201510093993.6A CN201510093993A CN104617722B CN 104617722 B CN104617722 B CN 104617722B CN 201510093993 A CN201510093993 A CN 201510093993A CN 104617722 B CN104617722 B CN 104617722B
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CN
China
Prior art keywords
stator
cover
glue
endoporus
neck bush
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CN201510093993.6A
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Chinese (zh)
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CN104617722A (en
Inventor
伍少梧
尹高平
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株洲少梧科技有限公司
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Priority to CN201510093993.6A priority Critical patent/CN104617722B/en
Publication of CN104617722A publication Critical patent/CN104617722A/en
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Publication of CN104617722B publication Critical patent/CN104617722B/en

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Abstract

The invention discloses a kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator, glue encapsulation method is comprised the following steps:After a, stator are assembled, neck bush is inserted in the endoporus of stator;B, glue stick is inserted in the endoporus of neck bush and the two ends of glue stick expose to stator;C, the glue stick two ends applying pressure to exposing to stator, so that glue stick is towards surrounding dilatancy, the two ends of neck bush are pressed into contact with stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance respectively, so as to constitute a closing space, meanwhile, the glue stick of dilatancy defines upper annular male part circumferentially and lower ring-type male part circumferentially on neck bush;D, the pressure for releasing glue stick two ends so that glue stick restores to the original state, then glue stick is taken out, carry out evacuation process again successively to the closing space for injecting glue in stator and injecting glue is processed, and complete glue envelope process.The present invention improves the working (machining) efficiency of whole glue envelope processing and processing cost is low.

Description

A kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator

Technical field

The present invention relates to a kind of processing method of immersed pump parts and the immersed pump parts processed using the method, More particularly to a kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator, belong to immersed pump parts machining skill Art field.

Background technology

For transporting oil immersed pump operationally, it is necessary to overall slip in oil product, powered when running because of machine winding, For ensureing that safety, immersed pump motor stator are needed during fabrication using the process of glue envelope.

As shown in Figure 1 to Figure 3, before injecting glue, a kind of existing immersed pump motor stator includes the stator upper end cover of annular shape 1st, circular stator bottom end cover 2, be welded between the stator upper end cover 1 and stator bottom end cover 2 and be located at stator upper end cover 1 Casing cylinder 3 with the outer circumference surface of stator bottom end cover 2, it is assemblied in inside the casing cylinder 3 and is located at 1 and of stator upper end cover Stator core 4 between stator bottom end cover 2, is wound with stator coil 5 in stator core 4, is provided with out on casing cylinder 3 Line mouth 6, the extraction wire 7 of stator coil 5 are drawn out to outside through line outlet 6, are sealing when ensureing injecting glue, by stator coil Extraction wire 7 be drawn out to through line outlet behind outside, carried out encapsulation process at line outlet 6, in stator upper end cover 1 and stator Be provided with hole for injecting glue 8 on bottom end cover 2, be provided with the endoporus periphery of stator upper end cover 1 one whole circle along stator upper end cover The protuberance of hole radially protruding, is also equipped with a whole circle on the endoporus periphery of stator bottom end cover along stator bottom end cover internal orifice dimension To the protuberance for protruding, it is provided with the stator upper end cover endoporus protuberance 9 and stator bottom end cover endoporus protuberance 10 close Sealing groove, is provided with sealing ring 11 in seal groove.

Existing glue encapsulation method is before glue envelope, a neck bush 12 is inserted in the endoporus of stator and causes neck bush 12 Outer circumference face interior with the endoporus periphery of stator upper end cover 1, the endoporus periphery of stator core 4 and stator bottom end cover 2 Hole periphery contacts, so as to constitute one between stator upper end cover 1, stator bottom end cover 2, casing cylinder 3 and neck bush 12 For the closing space 13 of injecting glue, the stator core 4 for being wound with stator coil is located in this closing space 13, then leads to again The hole for injecting glue 8 for crossing stator upper end cover and stator bottom end cover carries out injecting glue to this closing space 13, so as to be wound with stator line 4 glue of stator core of circle is closed and.

For forming such a closing space, the both ends of neck bush 12 need to be compressed respectively and be fitted in stator upper end cover On hole protuberance 9 and stator bottom end cover endoporus protuberance 10, but, how conveniently the both ends of neck bush 12 to be distinguished It is that this area one for a long time cannot that compression is fitted on stator upper end cover endoporus protuberance 9 and stator bottom end cover endoporus protuberance 10 The technical problem for solving very well.This is because working place is located in the endoporus of stator upper end cover and stator bottom end cover, cause to grasp Make space extremely limited, which is processed without suitable instrument and method, in reality processing, in a very long time, Workman often feels simply helpless.After test after a while and improving, people start with roller devices by neck bush Two ends roll respectively and are adjacent on stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, but, using above-mentioned Still can there is problems with processing method:

(1), due to being operated in the pore space of stator upper end cover and stator bottom end cover, working place extremely has Limit, it is still extremely inconvenient to be got up using roller devices processing, wastes time and energy, increased the labor intensity of workman, reduces whole The working (machining) efficiency of glue envelope processing;

(2), when being rolled to neck bush two ends using roller devices, operator often rolls and hurts hand, peace Full hidden danger is higher;

(3), processing roller devices complex structure, needs particularly customized, high processing costs;

To sum up, a kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator how to be designed so that its The two ends of neck bush conveniently can be pressed on stator upper end cover endoporus protuberance and stator lower end when sealing by injecting glue respectively On lid endoporus protuberance, time saving and energy saving, the labor intensity of reduction workman improves the working (machining) efficiency of whole glue envelope processing, improves and add The safety coefficient in man-hour, it is to avoid the generation of security incident and the low technical problem for being to be badly in need of solution of processing cost.

Content of the invention

The technical problem to be solved is for defect present in prior art, there is provided a kind of immersed pump motor The two ends of neck bush conveniently can be pressed on stator upper end cover endoporus protuberance and be determined by the glue encapsulation method of stator, its respectively On sub- bottom end cover endoporus protuberance, time saving and energy saving, the labor intensity of workman is reduced, the processing effect of whole glue envelope processing is improve Rate, improve safety coefficient during processing, it is to avoid the generation of security incident and processing cost is low.

For solving above-mentioned technical problem, the technical solution used in the present invention is:A kind of glue envelope of immersed pump motor stator Method, the glue encapsulation method adopt vacuum injecting glue method, and which comprises the following steps:

After a, stator are assembled, neck bush is inserted in the endoporus of stator and the two ends of the neck bush are located at stator respectively At upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance;

B, glue stick is inserted in the endoporus of the neck bush and the two ends of the glue stick expose to the two ends of stator;

C, the glue stick two ends for exposing to stator to described apply pressure so that glue stick, will be described interior towards surrounding dilatancy The two ends of bushing are pressed into contact with respectively at stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, so as to pass through Stator upper end cover, stator bottom end cover, between casing cylinder and neck bush constitute a closing space for injecting glue, with coil Stator core be located in this closing space, the two ends of the neck bush are pressed into contact with convex in stator upper end cover endoporus While going out on portion and stator bottom end cover endoporus protuberance, the glue stick of dilatancy will be on stator upper end cover with stator core Neck bush position between end face is extruded towards the gap between the stator upper end cover and stator core upper surface, on neck bush The glue stick for defining upper annular male part circumferentially and dilatancy will be positioned at stator bottom end cover and stator core lower surface Between neck bush position towards the gap between the stator bottom end cover and stator core lower surface be squeezed on neck bush formed Lower ring-type male part circumferentially;

The pressure that d, releasing apply to glue stick two ends so that glue stick restores to the original state, then glue stick is taken out, to the confession in stator Injecting glue with closing space carry out successively again evacuation process and injecting glue process, complete glue envelope process.

Preferably, the one end in the endoporus of neck bush insertion stator being the stator that will be assembled is put in a steps Put and complete in seam dish, the neck bush for inserting is positioned using the seam dish so that the neck bush after insertion Between the outer face of the other end and stator bottom end cover of the distance between outer face of one end and stator upper end cover and neck bush Distance be consistent.

Preferably, the seam dish is circular bosses, including flange and the axially projecting portion being arranged on the flange, will dress The one end for the stator for preparing be placed in seam dish so that described stator one end end contact with the flange end face of seam dish and The axially projecting portion of the seam dish is extend in the endoporus of stator, then neck bush is fixed from the other end insertion of the stator Until one end of the neck bush is contacted with the end face in the axially projecting portion of seam dish in the endoporus of son.

Preferably, the glue stick two ends end face after inserting in the b step exposes to stator two ends end face 30mm to 50mm.

Preferably, glue stick dilatancy in the step c, the two ends of the neck bush are pressed into contact with stator respectively When at end cap endoporus protuberance and stator bottom end cover endoporus protuberance, it is the side pressure by the glue stick of dilatancy by neck bush Close contact on the side of stator upper end cover endoporus protuberance and stator upper end cover endoporus, while by the glue stick of dilatancy The other end of neck bush is pressed into contact with the side of stator bottom end cover endoporus protuberance and stator bottom end cover endoporus.

Preferably, after take out glue stick, first will cause in the strong endoporus for being inserted into neck bush described hard The periphery of rod contacted with the endoporus periphery of neck bush being located at sealing ring, then again in stator for injecting glue Closing space carries out evacuation successively and processes and injecting glue process, after glue solidification, by the strong extraction, completes glue and sealed Journey.

Invention additionally discloses the immersed pump motor stator that a kind of use is processed according to glue encapsulation method as above, bag Include circular stator upper end cover, circular stator bottom end cover, be welded between the stator upper end cover and stator bottom end cover And the casing cylinder at the outer circumference surface of stator upper end cover and stator bottom end cover;On stator upper end cover and stator bottom end cover Hole for injecting glue is provided with, and a whole circle is provided with the endoporus periphery of stator upper end cover along stator upper end cover endoporus radially protruding Stator upper end cover endoporus protuberance, is also equipped with a whole circle on the endoporus periphery of stator bottom end cover along stator bottom end cover endoporus The stator bottom end cover endoporus protuberance of radially protruding, on stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance Seal groove is provided with, in the seal groove, is mounted on sealing ring, the immersed pump motor stator is also included on stator Neck bush at the inner peripheral surface of end cap and stator bottom end cover, the neck bush are inserted into the endoporus of the stator upper end cover and determine Among the endoporus of sub- bottom end cover and its two ends are pressed into contact with respectively in the stator upper end cover endoporus protuberance and stator bottom end cover Stator upper end cover, stator bottom end cover is caused on endoporus protuberance, constitute one for injecting glue between casing cylinder and neck bush Closing space, the immersed pump motor stator also include the stator core for being wound with stator coil, are wound with determining for stator coil Sub- iron core is arranged in the sealing space, fills the envelope for wrapping stator core and stator coil in the sealing space Dress glue, leaves gap between the stator upper end cover and stator core upper surface, the stator bottom end cover and stator core lower end Also gap being left between face, being provided with line outlet on casing cylinder, the extraction wire of stator coil is drawn out to outward through line outlet Portion, at the neck bush position being located between stator upper end cover and stator core upper surface towards the stator upper end cover and stator core Gap extruding between upper surface is protruded, and defines upper annular male part circumferentially and in the case where stator is located on neck bush Neck bush position between end cap and stator core lower surface is towards between the stator bottom end cover and stator core lower surface Gap extruding is protruded, and defines lower ring-type male part circumferentially on neck bush.

Preferably, female thread is provided with the hole for injecting glue on the stator upper end cover and stator bottom end cover, by inciting somebody to action Upper screw plug is tightened to the hole for injecting glue of stator upper end cover and blocks and the hole for injecting glue of the stator upper end cover by twisting lower screw plug The hole for injecting glue of the stator bottom end cover is blocked by the hole for injecting glue for being tightened to stator bottom end cover.

The beneficial effects of the present invention is:The present invention adopts flexible processing method, glue stick is placed in neck bush, using glue The characteristic of rod elastic deformation, makes glue stick towards surrounding dilatancy by the two ends pressure to glue stick, and the glue stick of dilatancy will be interior The two ends of bushing are pressed into contact with stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, can so be facilitated fast The prompt two ends by neck bush are pressed on stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance respectively, are saved time Laborsaving, the labor intensity of workman is reduced, the working (machining) efficiency of whole glue envelope processing is improve, safety system during processing is improve Number, it is to avoid the generation of security incident and greatly reduce processing cost;By the glue stick of dilatancy by one end of neck bush It is pressed into contact with the side of stator upper end cover endoporus protuberance and stator upper end cover endoporus, while by the glue of dilatancy The other end of neck bush is pressed into contact with rod the side of upper end cover endoporus under stator bottom end cover endoporus protuberance and stator On, neck bush two ends and stator upper end cover and the length at stator bottom end cover place in sealing contact is extended, sealing is further increased Length, improves the sealing effectiveness of closing space, improves the quality of stator glue envelope;Before injecting glue, first by strong being inserted into The strong periphery and the endoporus periphery of the neck bush being located at sealing ring is caused to contact then in the endoporus of bushing Injecting glue again, it is ensured that when carrying out malleation and pushing away glue, the sealing effectiveness of sealing ring and neck bush touching position, it is fixed to further increase The quality of sub- glue envelope;Upper annular male part and lower ring-type male part is provided with immersed pump stator neck bush in the present invention, is saved The glue amount of packaging plastic is saved, processing cost when stator glue is sealed has been greatly reduced and is easy to the assembling of rotor.

Description of the drawings

Fig. 1 is existing a kind of axial cross section structure diagram of immersed pump motor stator before injecting glue;

Fig. 2 is the mplifying structure schematic diagram in A portions in Fig. 1;

Fig. 3 is the mplifying structure schematic diagram in B portions in Fig. 1;

Fig. 4 is that neck bush is inserted into the axial sectional structure after stator inner hole to illustrate in embodiment of the present invention glue encapsulation method Figure;

Fig. 5 is, in embodiment of the present invention glue encapsulation method, glue stick is inserted into the axial cross section structure diagram after neck bush;

Fig. 6 is the local axial direction in embodiment of the present invention glue encapsulation method to being located at after the pressure of glue stick two ends at stator upper end cover Cross section structure diagram;

Fig. 7 is that the axial sectional structure after completing to take out glue stick to glue stick pressure in embodiment of the present invention glue encapsulation method shows It is intended to;

Fig. 8 is before injecting glue to show the axial sectional structure after strong insertion neck bush in embodiment of the present invention glue encapsulation method It is intended to;

Axial cross section structure diagrams of the Fig. 9 for embodiment of the present invention immersed pump motor stator;

Figure 10 is the mplifying structure schematic diagram in C portions in Fig. 9;

In figure:1. stator upper end cover, 2. stator bottom end cover, 3. casing cylinder, 4. stator core, 5. stator coil, 6. line outlet, 7. extraction wire, 8. hole for injecting glue, 9. stator upper end cover endoporus protuberance, 10. stator bottom end cover endoporus is convex Go out portion, 11. sealing rings, 12. neck bush, 13. closing spaces, 14. glue sticks, 15. seam dish, 151. flanges, 152. axles To protuberance, 16. is strong, 17. packaging plastics, 18. upper annular male parts, and 19, lower ring-type male part, screw plug on 20., 21. Lower screw plug.

Specific embodiment

Further details of elaboration is done to technical scheme below in conjunction with the accompanying drawings with specific embodiment.

Embodiment:As shown in Figures 4 to 7, a kind of glue encapsulation method of immersed pump motor stator, the glue encapsulation method is using true Empty injecting glue method, which comprises the following steps:

After a, stator are assembled, neck bush 12 is inserted in the endoporus of stator and the two ends of the neck bush 12 are located at respectively At stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, after neck bush 12 is inserted, near stator upper end cover The distance between the outer face of 12 one end end face of neck bush and stator upper end cover 1 L1 and the neck bush 12 near stator bottom end cover Other end end face is equal with the distance between the outer face of stator bottom end cover 2 L2, in the present embodiment, L1=L2=5mm;

B, glue stick 14 is inserted in the endoporus of the neck bush 12 and the two ends of the glue stick 14 expose to the two of stator End, after glue stick 14 is inserted, near the distance between outer face of 14 one end end face of glue stick and stator upper end cover 1 of stator upper end cover The 14 other end end face of glue stick of L3 and close stator bottom end cover is equal with the distance between the outer face of stator bottom end cover 2 L4, In the present embodiment, L3=L4=30mm, it is also possible to be set to L3=L4=40mm or L3=L4=50mm, the glue stick adopts polyurethane Glue stick, its diameter are matched with the interior diameter of stator inner hole, and herein, the diameter of glue stick can also be than the interior diameter of stator inner hole Smaller;

C, 14 two ends of glue stick for exposing to stator to described apply pressure so that glue stick, will be described towards surrounding dilatancy The two ends of neck bush 12 are pressed into contact with stator upper end cover endoporus protuberance 9 and stator bottom end cover endoporus protuberance 10 respectively, So as to pass through to constitute a closing for injecting glue between stator upper end cover 1, stator bottom end cover 2, casing cylinder 3 and neck bush 12 Space 13, the stator core 4 for being wound with stator coil 5 are located in this closing space 13, by the two of the neck bush 12 While side pressure close contact is on stator upper end cover endoporus protuberance 9 and stator bottom end cover endoporus protuberance 10, dilatancy Glue stick 14 by 12 position of neck bush being located between 4 upper surface of stator upper end cover 1 and stator core towards the stator upper end cover 1 with Gap extruding between 4 upper surface of stator core, defines upper annular male part circumferentially and expansion on neck bush 12 The glue stick 14 of deformation is by 12 position of neck bush being located between 4 lower surface of stator bottom end cover 2 and stator core towards under the stator Gap between 4 lower surface of end cap 2 and stator core is squeezed on neck bush 12 the lower ring-type male part for defining circumferentially;

The pressure that d, release apply to 14 two ends of glue stick so that glue stick 14 restores to the original state, then glue stick 14 is taken out, to stator The interior closing space 13 for injecting glue carries out evacuation again successively and processes and injecting glue process, completes glue envelope process.

The both ends of neck bush are compressed and are fitted in stator upper end cover endoporus protuberance and stator lower end by the present embodiment respectively When on lid endoporus protuberance, a kind of method of Flexible Manufacture is used, rather than use profit as existing processing method The rigid processing method that such a mechanical system is processed with roller devices.Characteristic of the present embodiment using glue stick resilient shapes, Make the glue stick of glue stick dilatancy, dilatancy that the two ends of neck bush are pressed into contact with stator by the two ends pressure to glue stick On upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, conveniently the two ends of neck bush can be pressed on respectively On stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, time saving and energy saving, the labor intensity of workman is reduced, is carried The high working (machining) efficiency of whole glue envelope processing, in addition, after release is to the pressure at glue stick two ends, glue stick can be restored again, from And glue stick is conveniently taken out from bushing endoporus by workman, to be rapidly performed by next procedure of processing, accelerate Process velocity, also improves the working (machining) efficiency of whole glue envelope processing;During processing, it is directly to apply pressure to glue stick to complete , it is not necessary to worker exposure's glue stick and stator, improve safety coefficient during processing, it is to avoid the generation of security incident;This reality Frock such as glue stick employed in example etc. is applied, is all common simple frock, is greatly reduced the processing cost of the present embodiment.

The one end in the endoporus of neck bush insertion stator being the stator that will be assembled is placed on seam in a steps Complete on disk 15, positioned using the neck bush 12 of 15 pairs of insertions of the seam dish so that the neck bush 12 after insertion The other end of the distance between the outer face of one end and stator upper end cover 1 L1 and neck bush 12 and the outer end of stator bottom end cover 2 The distance between face L2 is consistent, and is so conducive to glue stick to compress neck bush two ends respectively and is fitted in stator upper end cover endoporus On protuberance and stator bottom end cover endoporus protuberance.

The seam dish 15 is circular bosses, including flange 151 and the axially projecting portion 152 being arranged on the flange, will The one end for the stator for assembling is placed in seam dish 15 the 151 end face phase of flange for causing described stator one end end and seam dish The axially projecting portion 152 of contact and the seam dish is extend in the endoporus of stator, then by neck bush 12 from the another of the stator Until one end of the neck bush 12 is connected with the end face in the axially projecting portion 152 of seam dish in the endoporus of outer one end insertion stator Touch.Axially projecting portion 152 protrudes from the length of flange 151 and is designed in advance according to the total length of stator as requested, works as liner Set 12 is from the endoporus of the other end insertion stator of the stator until the axial direction of one end of the neck bush 12 and seam dish After the end face of protuberance 152 contacts so that L1=L2.Carried out come the position to neck bush in stator inner hole using seam dish Positioning, can further speed up the process velocity of workman, improve working (machining) efficiency.

It is in hydraulic press that glue stick two ends in c steps to exposing to stator apply pressure(Not shown in figure)On complete, Glue stick 14 is inserted after neck bush 12, is placed on integrally vertical to stator and glue stick in hydraulic press, using the upper and lower pressure of hydraulic press Plate is contacted with the 14 two ends end face of glue stick for exposing to stator two ends respectively, realizes the pressure to glue stick two ends.When glue stick expands During deformation, due to there is gap between 4 upper surface of stator upper end cover 1 and stator core, therefore, the glue stick of dilatancy can be by this The neck bush at place is extruded towards interstitial site and the end in neck bush 12 forms a upper annular male part circumferentially;With Reason, can also form a lower ring-type male part circumferentially at the other end of neck bush 12.

As shown in fig. 6, glue stick dilatancy in the step c, the two ends of the neck bush are pressed into contact with respectively fixed When at sub- upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, it is by neck bush 12 by the glue stick 14 of dilatancy One end be pressed into contact with the side of stator upper end cover endoporus protuberance 9 and 1 endoporus of stator upper end cover, while by expansion The glue stick 14 of deformation is pressed into contact with the other end of neck bush in stator bottom end cover endoporus protuberance 10 and stator bottom end cover 2 On the side of endoporus.Prior art(As shown in Figures 2 and 3)Because of operation extremely inconvenience, the two ends of neck bush can only be pressed respectively Tightly on stator upper end cover protuberance and stator bottom end cover protuberance, and then the two ends of neck bush can be distinguished in the present embodiment It is pressed on the side and stator bottom end cover protuberance and stator lower end of stator upper end cover protuberance and stator upper end cover endoporus On the side of lid endoporus, neck bush two ends and stator upper end cover and the length at stator bottom end cover place in sealing contact is so extended, Seal length is further increased, the sealing effectiveness of closing space is improve, the quality of stator glue envelope is improve.

As shown in figure 8, after in the Step d take out glue stick 14, in the endoporus for being first inserted into neck bush 12 by strong 16 So that strong 16 periphery is contacted with the endoporus periphery of the neck bush 12 being located at sealing ring 11, then again to fixed The closing space for injecting glue in son carries out evacuation successively and processes and injecting glue process, after glue solidification, will be described strong 16 extract out, complete glue envelope process.Described strong can adopt the hard barred body such as iron staff, rod iron, wooden stick.Before injecting glue, will first pass through Hole for injecting glue on stator upper end cover and stator bottom end cover, by stator injecting glue with closing space carry out evacuation, after exhausting vacuum, Negative pressure injecting glue is carried out to closing space by above-mentioned hole for injecting glue again, after a period of time is carried out, then malleation is carried out and is pushed away glue, until envelope Close space and fill glue and stator core and coil are wrapped, after glue is filled, with screw plug by stator upper end cover and stator bottom end cover On hole for injecting glue block, complete stator glue envelope.The present embodiment carries out injecting glue operation using vacuum glue pouring machine to stator.Carry out When malleation pushes away glue, as sealing ring is that tool is resilient, sealing ring may be obtained not with the sealing effectiveness of neck bush touching position To ensureing, it is the sealing effectiveness for ensureing sealing ring and neck bush touching position, the present embodiment will be withstood herein using strong so that Together with sealing ring is tight contacted between with neck bush, it is ensured that when carrying out malleation and pushing away glue, sealing ring and neck bush touching position Sealing effectiveness, further increases the quality of stator glue envelope.

Such as Fig. 9 and as indicated by 10, invention additionally discloses a kind of immersed pump that is processed using glue encapsulation method as above is electric Machine stator, including circular stator upper end cover 1, circular stator bottom end cover 2, is welded on the stator upper end cover 1 and fixed Casing cylinder 3 between sub- bottom end cover 2 and at the outer circumference surface of stator upper end cover 1 and stator bottom end cover 2;In stator upper end Hole for injecting glue 8 is provided with lid 1 and stator bottom end cover 2, and a whole circle is provided with the endoporus periphery of stator upper end cover 1 along stator The stator upper end cover endoporus protuberance 9 of upper end cover endoporus radially protruding, is also equipped with the endoporus periphery of stator bottom end cover 2 Stator bottom end cover endoporus protuberance 10 of the one whole circle along stator bottom end cover endoporus radially protruding, in stator upper end cover endoporus protuberance 9 and stator bottom end cover endoporus protuberance 10 on be provided with seal groove, be mounted on sealing ring 11 in the seal groove, described latent Liquid pump motor stator also includes the neck bush 12 at the inner peripheral surface of stator upper end cover 1 and stator bottom end cover 2, the liner Cover among the endoporus of 12 endoporus and stator bottom end cover 2 for being inserted into the stator upper end cover 1 and its two ends is pressed into contact with respectively Stator upper end cover 1, stator bottom end cover is caused on the stator upper end cover endoporus protuberance 9 and stator bottom end cover endoporus protuberance 10 2nd, a closing space 13 for injecting glue is constituted between casing cylinder 3 and neck bush 12, and the immersed pump motor stator is also wrapped The stator core 4 for being wound with stator coil is included, the stator core 4 for being wound with stator coil is arranged in the sealing space 13, The packaging plastic 17 for wrapping stator core and stator coil, 1 He of stator upper end cover is filled in the sealing space 13 Stator core leaves gap between 4 upper surface, and the stator bottom end cover 2 and stator core also leave gap between 4 lower surface, Line outlet 6 is provided with casing cylinder 3, the extraction wire 7 of stator coil is drawn out to outside through line outlet 6, be located on stator 12 position of neck bush between 4 upper surface of end cap 1 and stator core towards the stator upper end cover 1 and 4 upper surface of stator core it Between gap extruding protrude, define upper annular male part 18 circumferentially on neck bush 12 and be located at stator bottom end cover 12 position of neck bush between 2 and 4 lower surface of stator core is towards between 4 lower surface of the stator bottom end cover 2 and stator core Gap extruding is protruded, and defines lower ring-type male part 19 circumferentially on neck bush 12.In the present embodiment, set on neck bush It is equipped with upper annular male part and lower ring-type male part, one when being to save stator glue to seal, and the glue amount of packaging plastic, due to packaging plastic Price is very expensive, in the present embodiment, by the setting of upper annular male part and lower ring-type male part, can save packaging plastic Glue amount, so as to reduce stator glue seal when processing cost;In addition, being provided with upper annular male part and lower ring on neck bush Shape male part, is conducive to rotor to be assembled in stator, is easy to the assembling of immersed pump motor, improves the assembling effect of immersed pump motor Rate.

Female thread is provided with hole for injecting glue 8 on the stator upper end cover 1 and stator bottom end cover 2, is completed in injecting glue Afterwards, the hole for injecting glue of the stator upper end cover is blocked and is led to by the hole for injecting glue 8 by upper screw plug 20 to be tightened to stator upper end cover Cross and the hole for injecting glue of the stator bottom end cover is blocked by the hole for injecting glue 8 that lower screw plug 21 is tightened to stator bottom end cover.

In sum, the present invention adopts flexible processing method, and glue stick is placed in neck bush, using glue stick elastic deformation Characteristic, makes glue stick towards surrounding dilatancy by two ends to glue stick pressure, and the glue stick of dilatancy is by two side pressures of neck bush Close contact, so can conveniently by neck bush on stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance Two ends be pressed on stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance respectively, time saving and energy saving, reduce The labor intensity of workman, improve the working (machining) efficiency of whole glue envelope processing, improve safety coefficient during processing, it is to avoid safety The generation of accident and greatly reduce processing cost;One end of neck bush is pressed into contact with stator by the glue stick of dilatancy On the side of upper end cover endoporus protuberance and stator upper end cover endoporus, while by the glue stick of dilatancy by the another of neck bush Outer one end is pressed into contact with stator bottom end cover endoporus protuberance and stator on the side of upper end cover endoporus, extends neck bush Two ends and stator upper end cover and the length at stator bottom end cover place in sealing contact, further increase seal length, improve closing The sealing effectiveness in space, improves the quality of stator glue envelope;Before injecting glue, first will cause in the strong endoporus for being inserted into neck bush The strong periphery is contacted with the endoporus periphery of the neck bush being located at sealing ring and then injecting glue again, it is ensured that entered When row malleation pushes away glue, the sealing effectiveness of sealing ring and neck bush touching position further increases the quality of stator glue envelope;This Upper annular male part and lower ring-type male part is provided with immersed pump stator neck bush in bright, saves the glue amount of packaging plastic, Greatly reduce processing cost when stator glue is sealed and be easy to the assembling of rotor.

Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field Member without departing from the spirit and scope of the present invention, can also make a variety of changes or convert, therefore all equivalents Technical scheme should also belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.

Claims (8)

1. a kind of glue encapsulation method of immersed pump motor stator, the glue encapsulation method adopt vacuum injecting glue method, it is characterised in that:Which wraps Include following steps:
After a, stator are assembled, neck bush is inserted in the endoporus of stator and the two ends of the neck bush are located at stator upper end respectively At lid endoporus protuberance and stator bottom end cover endoporus protuberance;
B, glue stick is inserted in the endoporus of the neck bush and the two ends of the glue stick expose to the two ends of stator;
C, the glue stick two ends for exposing to stator to described apply pressure so that glue stick towards surrounding dilatancy, by the neck bush Two ends be pressed into contact with stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance, so as to pass through stator respectively Upper end cover, stator bottom end cover, between casing cylinder and neck bush constitute a closing space for injecting glue, determining with coil Sub- iron core is located in this closing space, and the two ends of the neck bush are being pressed into contact with stator upper end cover endoporus protuberance With while on stator bottom end cover endoporus protuberance, the glue stick of dilatancy will be positioned at stator upper end cover and stator core upper surface Between neck bush position towards between the stator upper end cover and stator core upper surface gap extrude, on neck bush formed Upper annular male part and the glue stick of dilatancy circumferentially will between stator bottom end cover and stator core lower surface Neck bush position be squeezed on neck bush towards the gap between the stator bottom end cover and stator core lower surface and define edge Circumferential lower ring-type male part;
The pressure that d, releasing apply to glue stick two ends so that glue stick restores to the original state, then glue stick is taken out, to the confession injecting glue in stator With closing space carry out successively again evacuation process and injecting glue process, complete glue envelope process.
2. glue encapsulation method according to claim 1, it is characterised in that:Neck bush is inserted stator in a steps It is that one end of the stator that will be assembled is placed in seam dish and completes in endoporus, using the seam dish to the neck bush that inserts Positioned so that the distance between outer face of one end of the neck bush after insertion and stator upper end cover and neck bush are in addition The distance between one end and outer face of stator bottom end cover are consistent.
3. glue encapsulation method according to claim 2, it is characterised in that:The seam dish is circular bosses, including flange and sets The axially projecting portion on the flange is put, the one end for the stator for assembling is placed in seam dish and is caused described stator one end End is contacted with the flange end face of seam dish and the axially projecting portion of the seam dish is extend in the endoporus of stator, then will be interior Bushing is from the endoporus of the other end insertion stator of the stator until one end of the neck bush is convex with the axial direction of seam dish The end face for going out portion contacts.
4. glue encapsulation method according to claim 1, it is characterised in that:Glue stick two ends end face after inserting in the b step Stator two ends end face 30mm to 50mm is exposed to.
5. glue encapsulation method according to claim 1, it is characterised in that:Glue stick dilatancy in the step c, will be described interior When the two ends of bushing are pressed into contact with stator upper end cover endoporus protuberance and stator bottom end cover endoporus protuberance respectively, it is to pass through The glue stick of dilatancy is pressed into contact with one end of neck bush in stator upper end cover endoporus protuberance and stator upper end cover endoporus Side on, while by the glue stick of dilatancy by the other end of neck bush be pressed into contact with stator bottom end cover endoporus protrude On the side of portion and stator bottom end cover endoporus.
6. glue encapsulation method according to claim 1, it is characterised in that:After in the Step d take out glue stick, first will be strong It is inserted in the endoporus of neck bush and causes the endoporus periphery phase of the strong periphery and the neck bush being located at sealing ring Contact, then carries out evacuation process again successively to the closing space for injecting glue in stator and injecting glue is processed, and treats that glue is solid After change, by the strong extraction, glue envelope process is completed.
7. the latent liquid that a kind of glue encapsulation method of use according to any one claim in claim 1 to 6 is processed Pump motor stator, including circular stator upper end cover, circular stator bottom end cover, is welded on the stator upper end cover and fixed Casing cylinder between sub- bottom end cover and at the outer circumference surface of stator upper end cover and stator bottom end cover;In stator upper end cover and Be provided with hole for injecting glue on stator bottom end cover, be provided with the endoporus periphery of stator upper end cover one whole circle along stator upper end cover The stator upper end cover endoporus protuberance of hole radially protruding, is also equipped with a whole circle on the endoporus periphery of stator bottom end cover along fixed The stator bottom end cover endoporus protuberance of sub- bottom end cover endoporus radially protruding, in stator upper end cover endoporus protuberance and stator bottom end cover Seal groove is provided with endoporus protuberance, sealing ring is mounted in the seal groove, and the immersed pump motor stator is also wrapped The neck bush at the inner peripheral surface of stator upper end cover and stator bottom end cover is included, the neck bush is inserted into the stator upper end Among the endoporus of the endoporus of lid and stator bottom end cover and its two ends are pressed into contact with respectively in the stator upper end cover endoporus protuberance And so that stator upper end cover, stator bottom end cover, composition one between casing cylinder and neck bush on stator bottom end cover endoporus protuberance The individual closing space for injecting glue, the immersed pump motor stator also include the stator core for being wound with stator coil, are wound with The stator core of stator coil is arranged in the closing space, filled in the closing space wrap stator core and The packaging plastic of stator coil, leaves gap between the stator upper end cover and stator core upper surface, the stator bottom end cover and Also gap being left between stator core lower surface, being provided with line outlet on casing cylinder, the extraction wire of stator coil is through going out Line mouth is drawn out to outside, it is characterised in that:In the neck bush position court being located between stator upper end cover and stator core upper surface Gap extruding between the stator upper end cover and stator core upper surface is protruded, and defines upper ring circumferentially on neck bush Shape male part and neck bush position between stator bottom end cover and stator core lower surface is being located at towards the stator bottom end cover Protrude with the gap extruding between stator core lower surface, lower ring-type male part circumferentially is defined on neck bush.
8. immersed pump motor stator according to claim 7, it is characterised in that:In the stator upper end cover and stator lower end Female thread is provided with the hole for injecting glue for covering, by upper screw plug to be tightened to the hole for injecting glue of stator upper end cover by the stator The hole for injecting glue of end cap is blocked and by lower screw plug to be tightened to the hole for injecting glue of stator bottom end cover by the note of the stator bottom end cover Glue hole blocks.
CN201510093993.6A 2015-03-03 2015-03-03 A kind of glue encapsulation method of immersed pump motor stator and its immersed pump motor stator CN104617722B (en)

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CN105515307A (en) * 2015-11-09 2016-04-20 宁波海得工业控制系统有限公司 Motor packaging method
CN106655662A (en) * 2017-01-10 2017-05-10 广东力好科技股份有限公司 Glue pouring device and glue pouring process for motor stator

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CN102615776B (en) * 2012-04-09 2014-06-18 广州市晶瑞贸易有限公司 Glue injection and injection molding method for inductors
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