CN207728848U - New-energy automobile reducer gear axis - Google Patents
New-energy automobile reducer gear axis Download PDFInfo
- Publication number
- CN207728848U CN207728848U CN201721761240.9U CN201721761240U CN207728848U CN 207728848 U CN207728848 U CN 207728848U CN 201721761240 U CN201721761240 U CN 201721761240U CN 207728848 U CN207728848 U CN 207728848U
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- Prior art keywords
- pan portion
- new
- energy automobile
- gear axis
- pan
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 23
- 238000005242 forging Methods 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 6
- 238000005422 blasting Methods 0.000 description 5
- 238000010273 cold forging Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000009497 press forging Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Forging (AREA)
- Gears, Cams (AREA)
Abstract
The utility model discloses a kind of new-energy automobile reducer gear axis, including bar portion and pan portion, pan portion is cylindrical structure and outer wall is equipped with tooth-shape structure, the center that bar portion is vertically set on pan portion is divided into upper boom and lower beam, bar portion and pan portion are that overall structure is formed by metal forging, instead of traditional cutting gear hobbing process, production efficiency height saves raw material, reduces production cost；Product Precision height, extrusion forming metal streamline are not cut off simultaneously, and grain structure is fine and close, improves Gear Surface Strength, product mechanical performance high quality is good.
Description
Technical field
The utility model is related to speed reducer output shafts.
Background technology
Speed reducer output shaft is a particularly important component of speed reducer inside, and output shaft is exactly the axis for exporting power, is
The important component of power conveying, at present in the design of speed reducer output shaft, technology is also and not perfect, difficult to install, and power is defeated
It send and unstable is easiest to occur.State Intellectual Property Office discloses a kind of novel speed reducer output shaft (CN104179789A）,
Main body is made of fixed seat and shaft core, and the fixed seat is set as cake shape, and circle peace is provided in the fixed seat
Be loaded nail, and the shaft core is vertical to be arranged in the center of fixed seat, the shaft core be set as tip section diameter compared with
The big truncated conical shape of low side diameter of section.The configurations of speed reducer output shaft mostly steadily consider for installation and operation.Subtract
The fast existing production technology of machine output shaft generally uses bar to heat, and pneumatic hammer forges pulling forming shank, in electric screw pressure
Pan portion is shaped on machine, then cuts gear hobbing process.State Intellectual Property Office also discloses a kind of production work of speed reducer output shaft
Skill (CN101602157A）, include the following steps：A, raw material are bought；B, blanking；C, raw material are heated to 1120-1200 DEG C；
D, pulling, round as a ball, shaping base on pneumatic hammer swage block；E, step d blanks closed mould on friction press is put into forge,
Forge speed reducer output shaft forging；F, remnant forging thermal quenching；G, it is tempered；H, machine tooling；I. finished product.Prior art production technology
Machining amount is big, and gear hobbing process shapes the flank of tooth, and the production cycle, long efficiency was low, of high cost, and metal streamline is cut off, internal group
It is low to knit density, Gear Surface Strength is low, and impact resistance is poor.
Invention content
The utility model provides a kind of new-energy automobile reducer gear axis of forging and molding, the output shaft, production cycle
Short efficient, processing cost is low, and metal streamline is not cut off, and grain structure is fine and close, improves Gear Surface Strength mechanical performance height, energy
Enough meet the mating requirement of auto parts and components.
The utility model is achieved by the following technical solution：
New-energy automobile reducer gear axis, including bar portion and pan portion, pan portion is cylindrical structure and outer wall is equipped with tooth form
Structure, the center that bar portion is vertically set on pan portion are divided into upper boom and lower beam, and bar portion and pan portion are that overall structure is forged by metal
It makes.
Changeover portion, lower changeover portion, the diameter of upper and lower changeover portion are respectively equipped between the upper boom of pan portion and bar portion, lower beam
The respectively greater than diameter of upper boom, lower beam.
Lower beam descends the frustum cone structure for the trend that tapers off for diameter from pan portion.
The new-energy automobile reducer gear axis center machining is the central through hole of perforation；Pan portion upper and lower end face
Machining fluted circle is evenly equipped with several lightening holes on groove circle.
The utility model has the advantages that compared with prior art:
1. shape needed for the utility model warm forging extrusion molding, then cold forging is extruded into the outer toothing of shape, last machining
End product is made, mold arrangement is smaller to mating press tonnage requirement on single-station forcing press, to greatly reduce
The investment of corollary equipment；
2. shape needed for the utility model warm forging extrusion molding, then cold forging is extruded into the outer toothing of shape, is all in forcing press
Upper moment completes forging and squeezes, and shapes the flank of tooth instead of traditional cutting gear hobbing process, improves stock utilization, and production efficiency is high,
Raw material and the energy are saved, production cost is reduced；
3. shape needed for the utility model warm forging extrusion molding, then cold forging is extruded into the outer toothing of shape, is all in forcing press
Upper disposable forging is extruded into shape, and Product Precision is high, extrusion forming metal streamline is not cut off, and grain structure is fine and close, improves the flank of tooth
Intensity, product mechanical performance high quality are good.
Description of the drawings
Fig. 1 is the structural schematic diagram of new-energy automobile reducer gear axis press forging in the utility model embodiment；
Fig. 2 is the structural schematic diagram after the machining of new-energy automobile reducer gear axis in the utility model embodiment；
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the utility model embodiment blank deformation process flow chart.
Serial number in figure：1, pan portion, 2, tooth-shape structure, 3, upper boom, 4, lower beam, 5, upper changeover portion, 6, lower changeover portion, 7, center
Through-hole, 8, groove circle, 9, lightening hole.
Specific implementation mode
The technical solutions of the present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment：Shown in Fig. 1, Fig. 2 and Fig. 3, a kind of new-energy automobile reducer gear axis, including bar portion and pan portion
1, pan portion 1 is cylindrical structure and outer wall is equipped with tooth-shape structure 2, and the center that bar portion is vertically set on pan portion is divided into upper boom 3
With lower beam 4, changeover portion 5, lower changeover portion 6, upper and lower changeover portion 5,6 are respectively equipped between the upper boom 3 of pan portion and bar portion, lower beam 4
Diameter be respectively greater than the diameter of upper boom 3, lower beam 4, lower beam 4 is from the frustum cone structure of the lower trend that tapers off for diameter of pan portion, bar
Portion and pan portion 1 are that overall structure is formed by metal forging；By machining at the center of new-energy automobile reducer gear axis
Form the central through hole 7 of perforation, 1 upper and lower end face of pan portion forms ten lightening holes 9 uniformly distributed on groove circle 8 and groove circle 8.
Shown in Figure 4, manufacturing process includes the following steps：1. blanking：Diameter of rod is selected, by drawing size cut
Required bar length；2. base：Peeling scale removal and chamfering；3. ball blast：Blank after base is sent into shot-blasting machine and is made
Blasting treatment increases surface Ra values；4. warm forging：By blank heating to 220 DEG C of ± 20 DEG C of dilute graphite of spraying, it is heated to 980 DEG C
± 20 DEG C, first forward extrusion shapes bar portion, then preform pan portion, the final required shape of forming：The pan portion 1 of cylindrical structure, bar portion
Upper boom 3 and lower beam 4 and upper changeover portion 5 and lower changeover portion 6；5. normalized treatment：Blank is sent into non-oxidation isothermal normalizing furnace
Carry out isothermal normalizing processing, it is ensured that blank surface do not aoxidize, not decarburization；6. base, ball blast, lubrication：Peeling scale removal and
Blank after base is sent into hook type shot-blasting machine and makees blasting treatment by chamfering, increases surface Ra values, is adopted after blank blasting treatment
With polymeric lubricant to blank surface lubricated；7. cold closed-die forging：Blank is put into cold forging in mold and is extruded into shape pan portion outer wall
Tooth-shape structure is (2)；8. machining：Machining, drilling are carried out to blank, reaches the shape and structure of drawing requirement, it is logical to form center
Hole 7, groove circle 8 and lightening hole 9；9. being heat-treated：Case-carbonizing processing, carburized layer depth are carried out to the product formed after machining
0.8-1.2mm, case hardness 58-61HRC；10. cleaning oiling：Surface clean and oiling antirust.
Shape needed for the utility model warm forging extrusion molding, then cold forging be extruded into the outer toothing of shape, last machining is done
At end product, the flank of tooth is shaped instead of traditional cutting gear hobbing process, production efficiency height saves raw material, reduces production
Cost；Extrusion forming metal streamline is not cut off simultaneously, and grain structure is fine and close, improves Gear Surface Strength, and product mechanical performance is high
It is high-quality.
The diameter of the utility model pan portion and bar portion is bigger, that is, forging reducing, than big, this manufacturing process is preferable
It solves and forges the big reducing defect not higher than easily there is precision, Product Precision is high.
Embodiment is not constituted and protects model to the utility model only to facilitate understand the technical solution of the utility model
The limitation enclosed, it is every without departing from technical solutions of the utility model perhaps according to the technical essence of the utility model to top
Any simple modification, equivalent change and modification made by case, still fall within scope of protection of the utility model.
Claims (4)
1. new-energy automobile reducer gear axis, including bar portion and pan portion are (1), it is characterised in that:Pan portion is cylindrical structure and outer
Wall be equipped with tooth-shape structure (2), bar portion be vertically set on pan portion center be divided into upper boom (3) with lower beam (4), bar portion and pan portion are (1)
It is formed by metal forging for overall structure.
2. new-energy automobile reducer gear axis according to claim 1, it is characterised in that:Pan portion (1) with the upper boom of bar portion
(3), lower beam (4) between be respectively equipped with changeover portion (5), lower changeover portion (6), the diameter of upper and lower changeover portion (5), (6) is respectively greater than upper boom
(3), the diameter of lower beam (4).
3. new-energy automobile reducer gear axis according to claim 2, it is characterised in that:Lower beam (4) from pan portion and under
The frustum cone structure for the trend that tapers off for diameter.
4. new-energy automobile reducer gear axis according to claim 3, it is characterised in that:The new-energy automobile
Reducer gear axis center machining be perforation central through hole (7)；Machining fluted circle in pan portion upper and lower end face is (8), recessed
Slot circle (8) on be evenly equipped with several lightening holes (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721761240.9U CN207728848U (en) | 2017-12-17 | 2017-12-17 | New-energy automobile reducer gear axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721761240.9U CN207728848U (en) | 2017-12-17 | 2017-12-17 | New-energy automobile reducer gear axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728848U true CN207728848U (en) | 2018-08-14 |
Family
ID=63098725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721761240.9U Active CN207728848U (en) | 2017-12-17 | 2017-12-17 | New-energy automobile reducer gear axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006198A (en) * | 2017-12-17 | 2018-05-08 | 江苏威鹰机械有限公司 | New-energy automobile reducer gear axis and its manufacturing process |
-
2017
- 2017-12-17 CN CN201721761240.9U patent/CN207728848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006198A (en) * | 2017-12-17 | 2018-05-08 | 江苏威鹰机械有限公司 | New-energy automobile reducer gear axis and its manufacturing process |
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