CN208696537U - A kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure - Google Patents
A kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure Download PDFInfo
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- CN208696537U CN208696537U CN201821453354.1U CN201821453354U CN208696537U CN 208696537 U CN208696537 U CN 208696537U CN 201821453354 U CN201821453354 U CN 201821453354U CN 208696537 U CN208696537 U CN 208696537U
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- tip
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Abstract
The utility model discloses a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structures, including electrode, tip stationary plane, tip diametral plane and tip, there are four faces for the electrode side tool, wherein opposing sides is tip stationary plane, tip stationary plane is plane, tip stationary plane two adjacent surfaces are tip diametral plane, and tip diametral plane is original material green surface.Electrode front end is provided with tip, and tip has step tip structure, face bonding mouth structure and inclined-plane point mouth tip structure.The electrode is according to the commutator structure for having brush small household appliances motor and small-power commercial power machine rotor, with different line footpaths, the tip structure of matching processing tungsten electrode, eliminate butt-joint broken string, it is insufficient to eliminate butt-joint nugget, it eliminates that commutator segment pulling capacity is unstable and the big problem of welding kesistance, extends welding times and the service life of tungsten electrode unit length, reduce cleaning and polishing number.
Description
Technical field
The utility model relates to a kind of soldering part, specifically a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure.
Background technique
There are brush small household appliances motor and small-power commercial power machine rotor butt-joint to be all made of tungsten bar at present, tungsten has high-melting-point 3683
± 20 DEG C, high rigidity 69-81HRC, good red hardness, at 900-1000 DEG C, hardness stills remain in 60HRC, and striking is fast, carries
Stream is big, resistance to scaling loss, and professional motor producer combines the butt-joint of stable DC source, rotor butt-joint initial resistance, welding kesistance, circle
Between pressure resistance, insulation resistance, Hi-pot test there is no problem.
Since tungsten electrode tungsten mouth structure is not according to rotor line footpath size, commutator structure carries out butt-joint process optimization, mistake
Emphasize butt-joint parameter, therefore, rotor butt-joint broken string, butt-joint welding kesistance is big, and commutator hooks molten hook, short circuit, rotor drop paint more
Broken string is led to rotor retirement afterwards, and the motor later period is easy to appear the big even motor of spark and burns event.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure
The problem of being proposed in background technique.
To achieve the above object, the utility model provides the following technical solutions:
A kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure, including electrode, tip stationary plane, tip diametral plane and
Tip, there are four faces for the electrode side tool, and wherein opposing sides is tip stationary plane, and tip stationary plane is plane, and tip is solid
Determining face two adjacent surfaces is tip diametral plane, and tip diametral plane is original material green surface.
As a further solution of the present invention: the electrode front end is provided with tip.
The tip front is provided with step surface as a further solution of the present invention, and step surface front has
The convex surface of protrusion.
The tip front is provided with plane as a further solution of the present invention, and plane is rectangular.
The tip front has wide face as a further solution of the present invention, and wide side is with angled
Length face.
The electrode material uses chromium-copper material as a further solution of the present invention,.
The electrode material uses thorium tungsten material as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that the electrode is according to having brush small household appliances motor and small function
The commutator structure of rate commercial power machine rotor, and different line footpaths, the tip structure of matching processing tungsten electrode, it is disconnected to eliminate butt-joint
Line, elimination butt-joint nugget is insufficient, and elimination commutator segment pulling capacity is unstable and the big problem of welding kesistance, extension tungsten electrode unit are long
The welding times of degree and service life reduce cleaning and polishing number.
Detailed description of the invention
Fig. 1 is step tip structural schematic diagram in brush motor rotor butt-joint tungsten electrode tungsten mouth structure.
Fig. 2 is face bonding mouth structure schematic diagram in brush motor rotor butt-joint tungsten electrode tungsten mouth structure.
Fig. 3 is sharp mouth tip structural schematic diagram in brush motor rotor butt-joint tungsten electrode tungsten mouth structure.
In figure: 1- tip stationary plane；2- tip diametral plane；3- step surface；The convex surface 4-；23- plane；The face 33- wide；34- long
Degree face.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Referring to Fig. 1, in the utility model embodiment, a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure, including
Electrode, tip stationary plane 1, tip diametral plane 2 and tip；There are four faces for the electrode side tool, and wherein opposing sides is weldering
Mouth stationary plane 1, tip stationary plane 1 be plane, 1 two adjacent surfaces of tip stationary plane be tip diametral plane 2, tip diametral plane 2 be for
Original material green surface is fixed electrode using straight tip stationary plane 1, and tip diametral plane 2 facilitates adjustment different-diameter
The electrode of size；The electrode front end is provided with tip, and specifically, tip front is provided with step surface 3,3 front of step surface
Raised convex surface 4, it is preferable that electrode material uses chromium-copper material, and the tip with ladder convex surface 4 is suitable for minimum line footpath
Diameter is 0.15mm with lower rotor part butt-joint.
Embodiment 2
Referring to Fig. 2, embodiment 2 is compared to the distinguishing characteristics of embodiment 1, the tip front is provided with plane
23, plane 23 is rectangular, and volume is less than electrode, it is preferable that electrode material uses chromium-copper material, applicable to be greater than diameter
The rotor butt-joint of 0.15mm line footpath, 23 length of plane and step height are of different sizes according to line footpath and corresponding different.
Embodiment 3
Referring to Fig. 3, embodiment 3 is compared to the distinguishing characteristics of embodiment 1, the tip front has wide face 33,
Wide 33 side of face is with angled length face 34, and wide face 33 constitutes sharp tip with length face 34, it is preferable that electrode material
Using thorium tungsten material, it is suitble to hook the commutator structure butt-joint of identical line footpath several paralleled conductor without copper.
The working principle of the utility model is: according to the commutation for having brush small household appliances motor and small-power commercial power machine rotor
Device structure and different line footpaths, the tip structure of the corresponding different tungsten electrode of processing.One is plane tips, are suitable for minimum line footpath
Diameter 0.15mm is with lower rotor part butt-joint；A kind of step tip is applicable in the rotor butt-joint greater than diameter 0.15mm line footpath, length of bench
It is of different sizes according to line footpath with step height and corresponding different；A kind of inclined-plane point mouth tip structure is suitble to hook identical line footpath without copper
The commutator structure butt-joint of several paralleled conductor, the welding times of tungsten electrode unit length increase by 20%, and the service life extends 15%, and butt-joint is disconnected
Line reduces by 12%；Welding kesistance tests percent of pass and is increased to 97% by improving preceding 80%, and pulling capacity is above internal control specification,
Pulling capacity Capability index CPK is greater than 1.33；The 5pcs longevity is extracted without each as usual inside broken string, especially motor after rotor dipping lacquer
It orders successfully tested rate and is increased to 100% by improving preceding 60%, prevent to complain event because of rotor butt-joint quality.
It should be strongly noted that electrode is the application of the prior art in the application, according to there is brush small household appliances motor and small
The commutator structure of power industry rotor and different line footpaths, the work of the tip structure of the corresponding different tungsten electrode of processing
Skill, the innovative point for not quantifying that tungsten electrode tip structure butt-joint method is the application of not classifying of abandoning tradition, efficiently solves
Butt-joint nugget is insufficient, eliminates that commutator segment pulling capacity is unstable and the big problem of welding kesistance.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure, including electrode, tip stationary plane (1), tip diametral plane (2)
And tip, which is characterized in that there are four faces for the electrode side tool, and wherein opposing sides is tip stationary plane (1), and tip is solid
Determine face (1) be plane, tip stationary plane (1) two adjacent surfaces be tip diametral plane (2), tip diametral plane (2) be original material not
Machined surface.
2. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure according to claim 1, which is characterized in that the electricity
Pole front end is provided with tip.
3. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure according to claim 2, which is characterized in that the weldering
Mouth front is provided with step surface (3), step surface (3) raised convex surface in front (4).
4. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure according to claim 2, which is characterized in that the weldering
Mouth front is provided with plane (23), and plane (23) is rectangular.
5. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure according to claim 2, which is characterized in that the weldering
Mouth front has wide face (33), and wide face (33) side is with angled length face (34).
6. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure according to claim 1, which is characterized in that the electricity
Pole material uses chromium-copper material.
7. a kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure according to claim 1, which is characterized in that the electricity
Pole material uses thorium tungsten material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453354.1U CN208696537U (en) | 2018-09-06 | 2018-09-06 | A kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453354.1U CN208696537U (en) | 2018-09-06 | 2018-09-06 | A kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208696537U true CN208696537U (en) | 2019-04-05 |
Family
ID=65946133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453354.1U Active CN208696537U (en) | 2018-09-06 | 2018-09-06 | A kind of brush motor rotor butt-joint tungsten electrode tungsten mouth structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208696537U (en) |
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2018
- 2018-09-06 CN CN201821453354.1U patent/CN208696537U/en active Active
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