CN107134701A - A kind of manufacture method of graphite commutator copper shell and graphite commutator - Google Patents
A kind of manufacture method of graphite commutator copper shell and graphite commutator Download PDFInfo
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- CN107134701A CN107134701A CN201710490782.5A CN201710490782A CN107134701A CN 107134701 A CN107134701 A CN 107134701A CN 201710490782 A CN201710490782 A CN 201710490782A CN 107134701 A CN107134701 A CN 107134701A
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- copper shell
- copper
- circular base
- base plate
- commutator
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- 229910052802 copper Inorganic materials 0.000 title claims abstract description 176
- 239000010949 copper Substances 0.000 title claims abstract description 176
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 172
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 37
- 239000010439 graphite Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 45
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 238000000465 moulding Methods 0.000 claims abstract description 24
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 24
- 238000003801 milling Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 23
- 238000003892 spreading Methods 0.000 claims description 20
- 230000007480 spreading Effects 0.000 claims description 20
- 238000007664 blowing Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 16
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000007514 turning Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- -1 carbon hydrocarbon Chemical class 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/04—Commutators
- H01R39/045—Commutators the commutators being made of carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The present invention provides the manufacture method of a kind of graphite commutator copper shell and graphite commutator, graphite commutator copper shell includes the circular base plate with centre bore, many perpendicular ribs is distributed with along the cylindrical circumferential direction uniform vertical of the circular base plate, it is mutually isolated between the perpendicular rib, the perpendicular rib bottom is connected with the circular base plate, erects at the top of rib towards the same side of circular base plate.The present invention connects into circular base plate compared to prior art, by bottom copper sheet and replaces copper bucket wall in the prior art, saves a large amount of copper materials, saves cost of material；The perpendicular rib of copper shell is directly cold stamping shaped, reduces that turning copper shell is cylindrical, milling rib one by one process；The copper sheet of commutator and the interval trough of carbon plate are all that follow-up milling is formed, and improve the positional precision of copper sheet and carbon plate, release stress during welding, improve product quality；It is combined at copper shell separation trough with phenolic moulding powder insulating barrier, eliminates corrosion of the alcohol to copper sheet when commutator is used, improves commutator service life.
Description
Technical field
The present invention relates to a kind of graphite commutator, the manufacturer of particularly a kind of graphite commutator copper shell and graphite commutator
Method.
Background technology
Because ethanol petrol can be effectively reduced motor vehicle exhaust emission, improve energy resource structure.Studies in China shows, E15 second
The pure unleaded gasoline for vehicle carbon hydrocarbon discharge capacity of alcohol steam oil ratio (SOR) declines 16.2%, and carbon monoxide discharge capacity declines 30%.Promote ethanol petrol
Use an important energy source substituted pesticides for being China and the whole world.But, electronic oil injection pump motor operationally, commutator face
Copper material and gasoline in ethanol occur electrochemical corrosion phenomenon, cause copper material inordinate wear, electrical machinery life is suffered from this in advance
Terminate, only reach the 60% of projected life.
To solve this problem, have started to substitute copper to manufacture commutator with graphite now, lift motor life, graphite
Commutator is the joint product prepared using graphite and copper as primary raw material, is mainly used in ethanol petrol fuel oil pump motor.With mesh
The copper commutator that preceding vehicle fuel pump motor is generally used is compared, and graphite commutator has good resistance to corrosion and high temperature
Ability to bear, substantially increases the service life of the fuel pump using ethanol petrol, solves the corrosion that ethanol petrol brings and asks
Topic.Other graphite commutator can also effectively reduce motor in vehicle operation and, to the electromagnetic interference of automobile electronic system, also may be used
The difference for greatly weakening fuel qualities uses the influence caused to automobile.
Graphite commutator is mainly made up of copper housing base, phenolic moulding powder, carbon plate, copper shell electroplating surfaces with tin, to isolate alcohol to copper
Corrosion.Carbon plate carries out break-in after cutting into multiple mutually isolated lamellar bodies, loading rotor on request with carbon brush.Because carbon plate exists
It is mutually insulated to ensure between every commutator segment when carrying out cutting burst, it is also desirable to all cut off whole copper shell, such copper shell
Just there is copper to expose at cutting seam, can be contacted after oil pump is dressed up with alcohol, so as to corrode.In order to solve above-mentioned ask
Topic, in the patent document that notification number is CN201408901Y, discloses a kind of copper shell of flat carbon commutator.But from actual feelings
From the point of view of condition, because this copper shell uses cold-extrusion technology, outside needs to be attached with copper barrel, thus copper material rate of charge compared with
Many, subsequent handling needs to fall copper barrel turning, and process is more complicated, and machining allowance is more and wastes copper product.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide a kind of graphite commutator copper shell and stone
The manufacture method of black commutator.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：A kind of graphite commutator
Copper shell, including the circular base plate with centre bore, along the cylindrical circumferential direction uniform vertical of the circular base plate many perpendicular muscle are distributed with
Mutually isolated between bar, the perpendicular rib, the perpendicular rib bottom is connected with the circular base plate, erects at the top of rib towards circular
The same side on chassis.
The present invention connects into circular base plate compared to prior art, by bottom copper sheet and replaces copper bucket wall, section in the prior art
A large amount of copper materials have been saved, cost of material is saved；The perpendicular rib of copper shell is directly cold stamping shaped, reduces turning copper shell cylindrical, one by one
The process of milling rib；The copper sheet of commutator and the interval trough of carbon plate are all that follow-up milling is formed, and improve the position of copper sheet and carbon plate
Precision is put, stress during welding is released, improves product quality.
Further, be provided with the circular base plate surface of the perpendicular rib opposite side it is a plurality of be disposed radially it is recessed
Groove, the gap area that the groove corresponds between the perpendicular rib.
Using above-mentioned preferred scheme, the milling amount of copper material is reduced, carbon plate portion will not be milled into during to circular base plate milling.
Further, the groove floor is the cambered surface of indent.
Using above-mentioned preferred scheme, in commutator manufacturing process, along groove polylith is cut into the circular base plate of copper shell
After copper sheet, the arc section of groove edge is remained, when phenolic moulding powder insulating barrier is filled, the radian of groove edge plays guiding and made
With being easy to phenolic moulding powder to fill expires whole groove, improves the adhesion between insulating barrier and copper shell.
Further, the circular base plate is provided with quantity and the perpendicular rib identical steam vent.
Using above-mentioned preferred scheme, it is ensured that the discharge of bubble when copper shell is welded with carbon plate, carbon plate and copper shell are improved
Solder bond power, improve finished product yield.
Further, the circular base plate surface with the perpendicular rib homonymy is oblique provided with group number and perpendicular rib identical first
Hook, the second oblique hook, the first oblique hook are located at each perpendicular rib root, and the second oblique hook is provided close to circular base plate centre bore
Position, the first oblique hook, the second oblique hook cooperatively form opposite "eight" shape structure.
Using above-mentioned preferred scheme, the adhesion between insulating barrier and copper shell is improved.
A kind of manufacture method of graphite commutator, comprises the following steps：
Step 1, above-mentioned graphite commutator copper shell is made by cold stamping；
Step 2, graphite commutator copper shell is fitted welding with carbon plate, be combined as a whole；
Step 3, carbon plate part is fixed using Special clamping frock, from the side where the perpendicular rib of copper shell to circular base plate
Milling is carried out, depth to carbon plate portion mills out the copper shell separation trough of multiple tracks radially, by the circular base of copper shell in circular base plate
Disk is divided into quantity and perpendicular rib identical copper sheet, and every copper sheet is connected with a perpendicular rib；
Step 4, filling phenolic moulding powder is molded to form insulating barrier, and the phenolic moulding powder of insulation is filled full in the copper shell separation trough；
Step 5, insulating barrier center is reamed, perpendicular rib is bent into hook bar；
Step 6, electroplate, the exposed portion of copper shell and hook bar surface plate uniform anticorrosion coating；
Step 7, car carbon plate end face, except the coating in attachment removal and carbon plate；
Step 8, milled out on carbon plate at the carbon plate separation trough of multiple tracks radially, depth to insulating barrier, carbon plate is separated
For mutually isolated small carbon plate, it is corresponding that the carbon plate separation trough separates groove location with the copper shell.
Using above-mentioned preferred scheme, bottom copper sheet is connected into circular base plate and replaces copper bucket wall in the prior art, is saved
A large amount of copper materials, save cost of material；The perpendicular rib of copper shell is directly cold stamping shaped, reduces that turning copper shell is cylindrical, milling one by one
The process for cutting rib；The copper sheet of commutator and the interval trough of carbon plate are all that follow-up milling is formed, and improve the position of copper sheet and carbon plate
Precision, releases stress during welding, improves product quality；It is combined, excludes with phenolic moulding powder insulating barrier at copper shell separation trough
Corrosion of the alcohol to copper sheet when commutator is used, improves commutator service life.
Further, the width of the copper shell separation trough in step 3 is more than the width of carbon plate separation trough in step 8.
Using above-mentioned preferred scheme, touched when having prevented milling carbon plate separation trough with copper sheet, effectively prevent from revealing copper.
Further, the width of the copper shell separation trough in step 3 is less than the width of the circular base plate surface groove.
Using above-mentioned preferred scheme, seam can be formed in phenolic moulding powder insulating barrier and copper sheet junction, improve phenolic moulding powder
The bond strength of insulating barrier and copper sheet.
Further, also include between the step 3 and step 4：
Step 31, insulating cement coating, the glue spreading jig bag are carried out to the copper shell separating tank using Special coating glue tool
The air blowing portion for being fitted in copper shell surface, the suction unit being enclosed in around copper shell are included, the center in the air blowing portion of glue spreading jig is first passed through
Hole applies 0.8-1.2MP high pressure blow-gas 5-10 seconds to copper shell separation trough；
Step 32, UV insulating cements are injected to copper shell separation trough by the centre bore in the air blowing portion of glue spreading jig；
Step 33, copper shell separation trough pressure 0.05-0.1MP low pressure is blown by the centre bore in the air blowing portion of glue spreading jig
Gas 10-15 seconds；
Step 34, the air blowing portion of glue spreading jig is lifted, the uviol lamp located at the air blowing portion of glue spreading jig is opened, to copper shell point
Separate slot irradiates 20-25 seconds.
Using above-mentioned preferred scheme, the copper scale in copper shell separation trough can be effectively removed, and formed in the side of copper sheet
Even insulation protection film, while can reduce the resistance that phenolic moulding powder flows into copper shell separation trough, improves the packing density of phenolic moulding powder, improves
Insulating properties between each copper sheet.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of commutator of the present invention；
Fig. 2 be in Fig. 1 structural representation from A-A to section view；
Fig. 3 is a kind of structural representation of embodiment of copper shell of the present invention；
Fig. 4 is a kind of structural representation of embodiment of copper shell of the present invention；
Fig. 5 is the structural representation of copper shell another embodiment of the present invention；
Fig. 6 is a kind of structural representation of embodiment of carbon plate of the present invention；
Fig. 7 is a kind of structural representation of embodiment of clamping tool of the present invention；
Fig. 8 is the structural representation that step 3 of the present invention completes latter embodiment；
Fig. 9 is the structural representation that step 4 of the present invention completes latter embodiment；
Figure 10 is the structural representation that step 8 of the present invention completes latter embodiment；
Figure 11 is a kind of structural representation of embodiment of glue spreading jig of the present invention.
Numeral and the title of the corresponding component represented by letter in figure：
1- copper shells；11- circular base plates；111- grooves；112- steam vents；The oblique hooks of 113- first；The oblique hooks of 114- second；115-
Copper sheet；12- erects rib；121- hook bars；2- carbon plates；3- copper shell separation troughs；4- insulating barriers；5- carbon plate separation troughs；6- clamping tools；
7- glue spreading jigs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1-2, graphite commutator include the mutually isolated carbon plate 2 of the mutually isolated copper sheet 115 of polylith, polylith,
The hook bar 121 that is connected as a single entity with copper sheet 115, the insulating barrier 4 for wrapping copper sheet 115 and carbon plate 2.
As shown in figure 3, a kind of graphite commutator copper shell 1, including the circular base plate 11 with centre bore, along circular base plate 11
Many perpendicular ribs 12 are distributed with cylindrical circumferential direction uniform vertical, erect mutually isolated, the perpendicular bottom of rib 12 and circle between rib 12
Chassis 11 is connected, and erects the top of rib 12 towards the same side of circular base plate 11.
It is using the beneficial effect of above-mentioned technical proposal：Bottom copper sheet is connected into circular base plate and replaces copper in the prior art
Bucket wall, saves a large amount of copper materials, saves cost of material；The perpendicular rib of copper shell is directly cold stamping shaped, reduces outside turning copper shell
The process of circle, one by one milling rib；The copper sheet of commutator and the interval trough of carbon plate are all that follow-up milling is formed, and improve copper sheet and carbon
The positional precision of piece, releases stress during welding, improves product quality.
As shown in figure 4, in other embodiments of the present invention, in order to reach the purpose for reducing copper material milling amount, with
The a plurality of groove 111 being disposed radially is provided with the surface of circular base plate 11 of the perpendicular opposite side of rib 12, groove 111 corresponds to perpendicular
Gap area between rib 12.It is using the beneficial effect of above-mentioned technical proposal：The milling amount of copper material is reduced, to circular base plate
Carbon plate portion will not be milled into during milling.
In other embodiments of the present invention, in order to reach the purpose for improving phenolic moulding powder mobility, the bottom surface of groove 111
For the cambered surface of indent.It is using the beneficial effect of above-mentioned technical proposal：In commutator manufacturing process, on the circular base plate edge of copper shell
Groove is cut into after polylith copper sheet, remains the arc section of groove edge, when phenolic moulding powder insulating barrier is filled, groove edge
Radian plays guide effect, is easy to the full whole groove of phenolic moulding powder filling, improves the adhesion between insulating barrier and copper shell.
In other embodiments of the present invention, carbon plate and the purpose of the weldability of copper shell are improved in order to reach, it is circular
Chassis 11 is provided with quantity and the perpendicular identical steam vent 112 of rib 12.It is using the beneficial effect of above-mentioned technical proposal：It can protect
The discharge of bubble when copper shell is welded with carbon plate is demonstrate,proved, the solder bond power of carbon plate and copper shell is improved, finished product yield is improved.
As shown in figure 5, in other embodiments of the present invention, knot between insulating barrier and copper shell is improved in order to reach
Purpose with joint efforts, the surface of circular base plate 11 with the perpendicular homonymy of rib 12 is provided with group number and perpendicular the first oblique hook of identical of rib 12
113rd, the second oblique hook 114, the first oblique hook 113 is located at each perpendicular root of rib 12, and the second oblique hook 114 is provided close in circular base plate 11
The position in heart hole, the first oblique hook 113, the second oblique hook 114 cooperatively form opposite "eight" shape structure.Using above-mentioned technical proposal
Beneficial effect be：Improve the adhesion between insulating barrier and copper shell.
A kind of manufacture method of graphite commutator, comprises the following steps：
Step 1, above-mentioned graphite commutator copper shell 1 is made by cold stamping (shown in Fig. 3-5)；
Step 2, graphite commutator copper shell 1 is fitted welding with carbon plate 2 (shown in Fig. 6), be combined as a whole；
Step 3, as Figure 7-8, the part of carbon plate 2 is fixed using Special clamping frock 6, where copper shell 1 erects rib
Side milling is carried out to circular base plate 11, depth to carbon plate 2 mills out the copper shell of multiple tracks radially in circular base plate 11
Separation trough 3, quantity and the perpendicular identical copper sheet 115 of rib 12, every copper sheet 115 and one are divided into by the circular base plate 11 of copper shell 1
Individual perpendicular rib 12 is connected；
Step 4, as shown in figure 9, filling phenolic moulding powder is molded to form insulating barrier 4, insulation is filled full in copper shell separation trough 3
Phenolic moulding powder；
Step 5, as shown in Figure 10, the center of insulating barrier 4 is reamed, perpendicular rib 12 is bent into hook bar 121；
Step 6, electroplate, the exposed portion of copper shell and hook bar surface plate uniform anticorrosion coating；
Step 7, car carbon plate end face, except the coating in attachment removal and carbon plate；
Step 8, milled out on carbon plate 2 at the carbon plate separation trough 5 of multiple tracks radially, depth to insulating barrier 4, by carbon plate 2
It is divided into mutually isolated small carbon plate, (copper shell separation trough is by insulating barrier in Figure 10 with copper shell separation trough 3 for carbon plate separation trough 5
Filling) position is corresponding.
It is using the beneficial effect of above-mentioned technical proposal：Bottom copper sheet 115 is connected into circular base plate 11 and replaces existing skill
Copper bucket wall, saves a large amount of copper materials in art, saves cost of material；The perpendicular rib 12 of copper shell 1 is directly cold stamping shaped, reduces car
Cut that copper shell is cylindrical, milling rib one by one process；The copper sheet 115 of commutator and the interval trough of carbon plate 2 are all that follow-up milling is formed,
The positional precision of copper sheet 115 and carbon plate 2 is improved, stress during welding is released, improves product quality；At copper shell separation trough 3
It is combined with phenolic moulding powder insulating barrier 4, eliminates corrosion of the alcohol to copper sheet when commutator is used, improves commutator service life.
In other embodiments of the present invention, in order to reach the copper shell separation trough in the purpose for preventing revealing copper, step 3
3 width is more than the width of carbon plate separation trough 5 in step 8.It is using the beneficial effect of above-mentioned technical proposal：Milling carbon is prevented
Touched during piece separation trough 5 with copper sheet 115, effectively prevent from revealing copper.
In other embodiments of the present invention, in order to reach the bond strength for improving phenolic moulding powder insulating barrier and copper sheet
The width of copper shell separation trough 3 in purpose, step 3 is less than the width of the surface groove 111 of circular base plate 11.Using above-mentioned technical side
The beneficial effect of case is：Seam can be formed in phenolic moulding powder insulating barrier and copper sheet junction, improve phenolic moulding powder insulating barrier and copper sheet
Bond strength.
As shown in figure 11, the present invention other embodiments in, in order to reach improve copper sheet between insulating properties purpose,
Also include between the step 3 and step 4：
Step 31, insulating cement coating is carried out to copper shell separating tank 3 using Special coating glue tool 7, glue spreading jig 7 includes laminating
Air blowing portion on the surface of copper shell 1, the suction unit being enclosed in around copper shell 1, first pass through the centre bore pair in the air blowing portion of glue spreading jig 7
The application of copper shell separation trough 3 0.8-1.2MP high pressure blow-gas 5-10 seconds；
Step 32, UV insulating cements are injected to copper shell separation trough 3 by the centre bore in the air blowing portion of glue spreading jig 7；
Step 33, pressed 0.05-0.1MP low pressure by the centre bore in the air blowing portion of glue spreading jig 7 to copper shell separation trough 3
Air blowing 10-15 seconds；
Step 34, the air blowing portion of glue spreading jig 7 is lifted, the uviol lamp located at the air blowing portion of glue spreading jig 7 is opened, to copper shell
Separation trough 3 irradiates 20-25 seconds.
It is using the beneficial effect of above-mentioned technical proposal：The copper scale in copper shell separation trough can be effectively removed, and in copper sheet
Side forms uniform insulation protection film, while can reduce the resistance that phenolic moulding powder flows into copper shell separation trough, improves phenolic moulding powder
Packing density, improves the insulating properties between each copper sheet.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow ordinary skill people
Member can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (9)
1. a kind of graphite commutator copper shell, it is characterised in that including the circular base plate with centre bore, along outside the circular base plate
Circumferencial direction uniform vertical be distributed with it is mutually isolated between many perpendicular ribs, the perpendicular rib, the perpendicular rib bottom with it is described
Circular base plate is connected, and erects at the top of rib towards the same side of circular base plate.
2. graphite commutator copper shell according to claim 1, it is characterised in that the circle with the perpendicular rib opposite side
The a plurality of groove being disposed radially, the gap area that the groove corresponds between the perpendicular rib are provided with chassis surface.
3. graphite commutator copper shell according to claim 2, it is characterised in that the groove floor is the cambered surface of indent.
4. graphite commutator copper shell according to claim 3, it is characterised in that the circular base plate is provided with quantity and institute
State perpendicular rib identical steam vent.
5. graphite commutator copper shell according to claim 4, it is characterised in that the circular base plate with the perpendicular rib homonymy
Surface is located at each perpendicular rib root, institute provided with group number and the oblique hook of perpendicular rib identical first, the second oblique hook, the first oblique hook
The position that the second oblique hook is provided close to circular base plate centre bore is stated, the first oblique hook, the second oblique hook cooperatively form opposite
"eight" shape structure.
6. a kind of manufacture method of graphite commutator, it is characterised in that comprise the following steps：
Step 1, any described graphite commutator copper shells of claim 1-5 are made by cold stamping；
Step 2, graphite commutator copper shell is fitted welding with carbon plate, be combined as a whole；
Step 3, carbon plate part is fixed using Special clamping frock, circular base plate carried out from the side where the perpendicular rib of copper shell
Milling, depth to carbon plate portion mills out the copper shell separation trough of multiple tracks radially in circular base plate, by the circular base plate of copper shell point
Quantity and perpendicular rib identical copper sheet are divided into, every copper sheet is connected with a perpendicular rib；
Step 4, filling phenolic moulding powder is molded to form insulating barrier, and the phenolic moulding powder of insulation is filled full in the copper shell separation trough；
Step 5, insulating barrier center is reamed, perpendicular rib is bent into hook bar；
Step 6, electroplate, the exposed portion of copper shell and hook bar surface plate uniform anticorrosion coating；
Step 7, car carbon plate end face, except the coating in attachment removal and carbon plate；
Step 8, milled out on carbon plate at the carbon plate separation trough of multiple tracks radially, depth to insulating barrier, carbon plate is divided into phase
The small carbon plate mutually isolated, it is corresponding that the carbon plate separation trough separates groove location with the copper shell.
7. the manufacture method of graphite commutator according to claim 6, it is characterised in that the copper shell separation trough in step 3
Width be more than step 8 in carbon plate separation trough width.
8. the manufacture method of graphite commutator according to claim 7, it is characterised in that the copper shell separation trough in step 3
Width be less than claim 2 described in groove width.
9. the manufacture method of graphite commutator according to claim 6, it is characterised in that between the step 3 and step 4
Also include：
Step 31, insulating cement coating is carried out to the copper shell separating tank using Special coating glue tool, the glue spreading jig includes patch
Air blowing portion on copper shell surface, the suction unit that is enclosed in around copper shell are closed, the centre bore pair in the air blowing portion of glue spreading jig is first passed through
Copper shell separation trough application 0.8-1.2MP high pressure blow-gas 5-10 seconds；
Step 32, UV insulating cements are injected to copper shell separation trough by the centre bore in the air blowing portion of glue spreading jig；
Step 33, copper shell separation trough pressure 0.05-0.1MP low pressure is blown by the centre bore in the air blowing portion of glue spreading jig
10-15 seconds；
Step 34, the air blowing portion of glue spreading jig is lifted, the uviol lamp located at the air blowing portion of glue spreading jig is opened, to copper shell separation trough
Irradiation 20-25 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710490782.5A CN107134701A (en) | 2017-06-23 | 2017-06-23 | A kind of manufacture method of graphite commutator copper shell and graphite commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710490782.5A CN107134701A (en) | 2017-06-23 | 2017-06-23 | A kind of manufacture method of graphite commutator copper shell and graphite commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107134701A true CN107134701A (en) | 2017-09-05 |
Family
ID=59736743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710490782.5A Pending CN107134701A (en) | 2017-06-23 | 2017-06-23 | A kind of manufacture method of graphite commutator copper shell and graphite commutator |
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| Country | Link |
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| CN (1) | CN107134701A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108767622A (en) * | 2018-06-04 | 2018-11-06 | 朋友电力科技有限公司 | A kind of preparation process being easily installed the connector with restringing and equipment conversion |
| CN109818224A (en) * | 2019-04-10 | 2019-05-28 | 温州市智头换向器有限公司 | A kind of combined type commutator |
| CN111916963A (en) * | 2020-09-02 | 2020-11-10 | 浙江长城换向器有限公司 | Commutator copper shell and commutator production method |
| CN112909680A (en) * | 2021-03-20 | 2021-06-04 | 浙江长城换向器有限公司 | A commutator copper shell and its commutator |
| WO2022094834A1 (en) * | 2020-11-05 | 2022-05-12 | 徐州新隆全电子科技有限公司 | Anti-corrosion electronic commutator |
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| CN203596484U (en) * | 2013-12-02 | 2014-05-14 | 安固集团有限公司 | Copper shell for end-face commutator |
| CN106824728A (en) * | 2017-01-10 | 2017-06-13 | 深圳顺络电子股份有限公司 | A kind of slightness hole hole wall painting method |
| CN207009859U (en) * | 2017-06-23 | 2018-02-13 | 苏州工业园区安固电器有限公司 | A kind of graphite commutator copper shell |
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| CN101924315A (en) * | 2009-06-16 | 2010-12-22 | 德昌电机(深圳)有限公司 | Commutator and manufacturing method thereof |
| CN203596484U (en) * | 2013-12-02 | 2014-05-14 | 安固集团有限公司 | Copper shell for end-face commutator |
| CN106824728A (en) * | 2017-01-10 | 2017-06-13 | 深圳顺络电子股份有限公司 | A kind of slightness hole hole wall painting method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767622A (en) * | 2018-06-04 | 2018-11-06 | 朋友电力科技有限公司 | A kind of preparation process being easily installed the connector with restringing and equipment conversion |
| CN108767622B (en) * | 2018-06-04 | 2019-12-10 | 朋友电力科技有限公司 | Preparation process of connector convenient for installing and replacing lead and equipment conversion |
| CN109818224A (en) * | 2019-04-10 | 2019-05-28 | 温州市智头换向器有限公司 | A kind of combined type commutator |
| CN109818224B (en) * | 2019-04-10 | 2024-01-23 | 温州市智头换向器有限公司 | Combined commutator |
| CN111916963A (en) * | 2020-09-02 | 2020-11-10 | 浙江长城换向器有限公司 | Commutator copper shell and commutator production method |
| WO2022094834A1 (en) * | 2020-11-05 | 2022-05-12 | 徐州新隆全电子科技有限公司 | Anti-corrosion electronic commutator |
| CN112909680A (en) * | 2021-03-20 | 2021-06-04 | 浙江长城换向器有限公司 | A commutator copper shell and its commutator |
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Application publication date: 20170905 |