CN108856620A - Automobile gimbal out star wheel cold-finishing mold - Google Patents
Automobile gimbal out star wheel cold-finishing mold Download PDFInfo
- Publication number
- CN108856620A CN108856620A CN201810837568.7A CN201810837568A CN108856620A CN 108856620 A CN108856620 A CN 108856620A CN 201810837568 A CN201810837568 A CN 201810837568A CN 108856620 A CN108856620 A CN 108856620A
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- China
- Prior art keywords
- column
- formed punch
- fixation kit
- fixed
- punch
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of automobile gimbal out star wheel cold-finishing molds, punch-pin includes cope plate, fixation kit, column and formed punch, and column is fixed on cope plate by fixation kit, and column is tapered stud, the tapered contraction in its top, uniformly distributed on wall there are six assembling grooves；Formed punch is made of six mold sections with convex body, it is that uniformly there are six convex bodys on the cylindrical structure with center hole and cylindrical wall by the formed punch overall appearance structure that mold section forms, adjacent two convex body axial symmetry setting, convex body matches with outer oblique alley, center hole type chamber matches with column taper contraction front, and the convex ribs to match with assembling groove on column are additionally provided in mold section；Formed punch is fixed on column by formed punch fixation kit.Using the cold-finishing mold using the cold combined forging method of temperature, machining is substituted, high production efficiency is at low cost, and the period is short, and metal streamline is not cut off, intensity high impact-resistant, saves raw material, can satisfy auto parts and components and forms a complete production network requirement.
Description
Technical field
The present invention relates to automobile gimbal more particularly to a kind of production moulds of out star wheel.
Background technique
In car transmissions and other systems, in order to realize the power between two shafts that some axis are not overlapped
Transmitting, it is necessary to use card gear.Card gear is generally made of universal joint and drive shaft, further includes sometimes
Intermediate support, the universal joint are card gear in car transmissions " joint " positions, are allowed connected
Angle between part changes in a certain range, and allows to have a certain range of relative telescopic to transport between connected part
It is dynamic.State Intellectual Property Office discloses a kind of extension type ball-cage constant velocity universal section（CN201410129701.5）It is interior including being equipped with
The out star wheel of chamber and the interior star-wheel in inner cavity are equipped with a cage, the out star wheel between the out star wheel and interior star-wheel
Inner surface on offer multiple outer alleys, the interior ball that multiple and outer alley is oppositely arranged is offered on the outer surface of interior star-wheel
Road offers multiple cage windows being connected to outer alley, interior alley on the circumferential surface of the cage, is all provided in each cage window
There is a rolling element, the inner and outer ends of the rolling element are located in interior alley and outer alley, and the outer alley includes three along outer
The circumferentially equally distributed outer oblique alley of star-wheel is tiltedly equipped with outer liner ball road between alley outside adjacent two, the outer oblique alley
The axis of center line and out star wheel α at an acute angle, the center line in the outer liner ball road is parallel with the axis of out star wheel, the interior alley
Including interior oblique alley and interior liner ball road, the interior oblique alley and the setting of outer oblique alley mirror symmetry, the interior liner ball road and outer straight
The setting of alley mirror symmetry；Tiltedly tiltedly alley center line intersects to obtain three intersection points in the center line of alley and three outside three, by
These three intersection points determine an equidistant point, and the equidistant point is divided equally and is formed by by the axis of out star wheel and the axis of interior star-wheel
Angle γ, the center of multiple rolling elements are respectively positioned in the equidistant point.Prior art：Bar heating, press machine forge circular ring shape,
Then inner cavity machining just shapes, mill processes essence forming.Metal streamline is cut off, and the loose compactness of material inside organization is not
Good, bad mechanical property, production efficiency is low, and stock utilization is low, and the production cycle is long, and processing cost is high, it is difficult to meet zero, automobile
The requirement of part matching quality.
Summary of the invention
The present invention provides a kind of cold-finishing mold using the cold combined forging method production automobile gimbal out star wheel of temperature, replaces
For machining, high production efficiency is at low cost, and the period is short, and metal streamline is not cut off, and interior tissue density is high, inner cavity intensity
High impact-resistant saves raw material, can satisfy the mating requirement of auto parts and components.
The present invention is achieved by the following technical solution：
Automobile gimbal out star wheel cold-finishing mold, including cavity plate and punch-pin, punch-pin include cope plate, fixation kit, column and
Formed punch, column are fixed on cope plate by fixation kit, and the column is tapered stud, the tapered contraction in top, wall
It is above uniformly distributed that there are six assembling grooves；The formed punch is made of six mold sections with convex body, and the formed punch being made of mold section is whole
There are six convex body, two adjacent convex body axial symmetry to be evenly distributed in the cylindrical structure with center hole and cylindrical wall for surface structure
Setting, the convex body match with outer oblique alley, and the type chamber of center hole and the taper contraction front of column match, described
The convex ribs to match with assembling groove on column are additionally provided in mold section；The formed punch is fixed on column by formed punch fixation kit
On.
The fixation kit includes the bolt bearing seat, column fixed block, fixture nut, column being fixed on cope plate
Fixing bolt, column fixed block are fixedly installed by bolt bearing seat and fixture nut, and column is provided with central through hole, and column is fixed
One end of bolt is round tack, and screw rod is fixed by nuts on column fixed block through centre bore and central through hole, column
The round tack of fixing bolt is in contact with column and punch tip；Formed punch fixation kit is rubber ring, is provided in mold section
Die holder, rubber ring sleeve is on die holder.
The present invention has the advantages that compared with prior art:
The present invention provides a kind of cold-finishing mold, produces automobile gimbal out star wheel using the cold combined forging method of temperature, substitution is cut
Processing is cut, high production efficiency is at low cost, and the period is short, and resultant metal streamline is not cut off, and interior tissue density is high, inner cavity intensity
High impact-resistant saves raw material, can satisfy the mating requirement of auto parts and components.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automobile gimbal out star wheel cross-sectional view in the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation top view of central post of the embodiment of the present invention；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the structural representation top view of formed punch in the embodiment of the present invention；
Fig. 6 is the B-B cross-sectional view of Fig. 5；
Fig. 7 is the structural schematic diagram of central post fixing bolt of the embodiment of the present invention；
Fig. 8 is the top view of Fig. 7；
Fig. 9 is blank deformation process flow chart of the embodiment of the present invention；
Figure 10 is the structural schematic diagram of cold-finishing mold in the embodiment of the present invention.
Serial number in figure：1, hollow o cylindrical body, 2, outer oblique alley, 3, preform, 4, cope plate, 5, column, 6, punching
Head, 7, assembling groove, 8, convex body, 9, mold section, 10, center hole, 11, convex ribs, 12, formed punch fixation kit, 13, bolt bearing
Seat, 14, column fixed block, 15, fixture nut, 16, column fixing bolt, 17, central through hole, 18, die holder.
Specific embodiment
The technical solutions of the present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment：Referring to figure 1 and figure 2, a kind of automobile gimbal out star wheel, including hollow o cylindrical body 1, it is hollow
Tiltedly alley 2 is circumferentially uniformly provided with outside six on the inner surface of cylindrical body 1, and outer oblique alley 2 is oval-shaped groove structure, outer oblique
The center line of alley 2 and the axis of out star wheel α at an acute angle, adjacent two tiltedly 2 axial symmetry of alley settings outside, hollow cylindrical sheet
Body 1 is that overall structure is forged.
Referring to shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, manufacturing process includes the following steps：Under 1.
Material, ball blast：Diameter of rod is selected, by bar length needed for drawing size cut；Blank after base is sent into shot-blasting machine and is made
Blasting treatment increases surface Ra value；2. jumping-up；3. warm forging：By blank heating to 200 DEG C of -240 DEG C of automatic coatings, it is again heated to
960 DEG C of -1000 DEG C of backward extrusion form the preform 3 of the taper type structure with bottom, and the inner cavity of preform is tubaeform knot
Structure, inner wall are equipped with oblique alley；4. making annealing treatment：Blank after warm forging is sent into shaft furnace and is made annealing treatment, is heated
3 hours are kept the temperature to 670 DEG C -690 DEG C, then slow cooling is come out of the stove to 330 DEG C -370 DEG C, removes interiors of products stress；5. ball blast, lubrication
Processing：By the blank Shot Blasting after annealing, surface lubrication processing is carried out again after removing oxide on surface；6. cold closed-die forging：
Using cold forging squeeze lathe, by the blank after ball blast, lubricated be put into cold-finishing mold under normal temperature condition carry out cold forging at
Shape forms the hollow o cylindrical body 1 with bottom, improves product cavity alley dimensional accuracy；The cold-finishing mold it is convex
Mould includes cope plate 4, fixation kit, column 5 and formed punch 6, and column 5 is fixed on cope plate 4 by fixation kit, and described is vertical
Column 5 is tapered stud, and the tapered contraction in top, tapered wall is the hexagonal structure shunk, is evenly distributed on wall recessed there are six assembling
Slot 7, the fixation kit include the bolt bearing seat 13 being fixed on cope plate 4, column fixed block 14, fixture nut 15,
Column fixing bolt 16, column fixed block 14 are fixedly installed by bolt bearing seat 13 and fixture nut 15, and column 5 is provided with center
Through-hole 17；The formed punch 6 is made of six mold sections 9 with convex body 8, and the 6 overall appearance structure of formed punch being made of mold section 9 is
Uniformly distributed there are six convex body 8 in cylindrical structure and cylindrical wall with center hole 10, two adjacent 8 axial symmetry of convex body are arranged,
The convex body 8 matches with outer oblique alley 2, and the type chamber of center hole 10 matches with the taper contraction front of column 5, described
The convex ribs 11 to match with assembling groove 7 on column 5 are additionally provided in mold section 9；The formed punch 5 is solid by formed punch fixation kit 12
It is scheduled on column 5, formed punch fixation kit 12 is rubber ring, die holder 18 is provided in mold section 9, rubber ring sleeve is on die holder 18；
One end of column fixing bolt 16 is round tack, and screw rod is fixed by nuts through centre bore 10 and central through hole 17 in column
On fixed block 14, the round tack of column fixing bolt 16 is in contact with column 5 and 6 top of formed punch；7. machining：Cutting
Processing removal bottom；8. being heat-treated：Surface high frequency quenching treatment is carried out to the product after machining, high-frequency quenching rear surface is hard
Change layer is 0.8-1.2mm, surface hardness 58-61HRC；9. cleaning oiling：To the product surface cleaning after heat treatment and oiling
Antirust.
Due to being circumferentially uniformly provided with oblique alley outside six, the formed punch of extrusion die on automobile gimbal out star wheel inner surface
Convex body must be had, forging and stamping produce out star wheel extruding formed punch and can not demould, and elder generation's warm forging of the present invention squeezes to form the cone with bottom
The preform of platform shape structure, the inner cavity of preform are flared structure, and the above structure is that preform warm forging squeezes demoulding
It creates condition, cold-finishing mold cold forging is recycled to improve product cavity alley dimensional accuracy, and cold-finishing formed punch is by multiple moulds
Valve composition is moved back and forth by mold section in the taper contraction front of column to realize that cold-finishing demoulds.
Embodiment does not constitute the limit to the scope of the present invention only to facilitate understand technical solution of the present invention
System, anything that does not depart from the technical scheme of the invention or according to the technical essence of the invention to any letter made by above scheme
Single modification, equivalent variations and modification, still fall within the scope of the present invention.
Claims (2)
1. automobile gimbal out star wheel cold-finishing mold, including cavity plate and punch-pin, it is characterised in that:Punch-pin include cope plate (4),
Fixation kit, column (5) with formed punch (6), column (5) pass through fixation kit be fixed on cope plate (4) on, (5) the column is taper
Column, the tapered contraction in top, on wall it is uniformly distributed there are six assembling grooves (7)；The formed punch (6) by six with convex body (8)
(9) mold section forms, (6) overall appearance structure is with center hole cylindrical structure (10) and cylindrical wall to the formed punch being (9) made of mold section
(8), (8) axial symmetry is arranged two adjacent convex bodys convex body, (8) (2) the convex body matches with outer oblique alley there are six being above evenly distributed with,
The type chamber of center hole (10) matches with the taper contraction front of column (5), the mold section (9) on be additionally provided with and column (5) upper assembly
(7) convex ribs that groove matches are (11)；The formed punch (5) pass through formed punch fixation kit be (12) fixed on column (5) on.
2. automobile gimbal out star wheel cold-finishing mold according to claim 1, it is characterised in that:The fixation kit
Including be fixed on cope plate (4) on bolt bearing seat (13), column fixed block (14), fixture nut (15), column fixing bolt (16), stand
(14) (13) (15) column fixed block is fixedly installed by bolt bearing seat with fixture nut, (5) (17) column is provided with central through hole, column is fixed
The one end of bolt (16) is round tack, screw rod through centre bore be (10) (17) fixed by nuts with central through hole column fixed block (14)
On, the round tack of column fixing bolt (16) with column (5) and formed punch (6) top is in contact；(12) formed punch fixation kit is rubber
Circle, mold section (9) on be provided with die holder (18), rubber ring sleeve mounted in die holder (18) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837568.7A CN108856620A (en) | 2018-07-26 | 2018-07-26 | Automobile gimbal out star wheel cold-finishing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837568.7A CN108856620A (en) | 2018-07-26 | 2018-07-26 | Automobile gimbal out star wheel cold-finishing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108856620A true CN108856620A (en) | 2018-11-23 |
Family
ID=64305833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837568.7A Pending CN108856620A (en) | 2018-07-26 | 2018-07-26 | Automobile gimbal out star wheel cold-finishing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108856620A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909420A (en) * | 2018-12-14 | 2019-06-21 | 上海电机学院 | Wedge type radially scalable mandrel and its application of VL type cage forming |
| CN110216428A (en) * | 2019-07-03 | 2019-09-10 | 中山市大地金属有限公司 | A kind of smooth copper shoe production method of equipment for dyeing and finishing |
| CN114309442A (en) * | 2021-11-16 | 2022-04-12 | 上海纳铁福传动***有限公司 | Milling-free machining method for ball path of inner star wheel of automobile universal joint |
| CN114799032A (en) * | 2022-04-25 | 2022-07-29 | 郑州机械研究所有限公司 | Screw forging, forming method of screw forging and forming die of screw forging |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921662A (en) * | 2016-05-04 | 2016-09-07 | 盐城理研精密锻造有限公司 | Dual-station forward finishing die and finishing process |
| CN107584064A (en) * | 2017-10-25 | 2018-01-16 | 江苏理研科技股份有限公司 | A kind of distensible drift in end |
| CN107639196A (en) * | 2017-10-25 | 2018-01-30 | 江苏理研科技股份有限公司 | A kind of out star wheel forging finishing mold |
| CN206943782U (en) * | 2017-06-28 | 2018-01-30 | 上海纳铁福传动***有限公司 | Automobile out star wheel cold-finishing drift automatic lubrication installation |
| CN207043253U (en) * | 2017-06-13 | 2018-02-27 | 江苏森威精锻有限公司 | A kind of universal joint finishing mold structure |
| CN107913967A (en) * | 2017-07-18 | 2018-04-17 | 江苏大洋精锻有限公司 | A kind of clutch can shaping dies and its forming technology |
-
2018
- 2018-07-26 CN CN201810837568.7A patent/CN108856620A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921662A (en) * | 2016-05-04 | 2016-09-07 | 盐城理研精密锻造有限公司 | Dual-station forward finishing die and finishing process |
| CN207043253U (en) * | 2017-06-13 | 2018-02-27 | 江苏森威精锻有限公司 | A kind of universal joint finishing mold structure |
| CN206943782U (en) * | 2017-06-28 | 2018-01-30 | 上海纳铁福传动***有限公司 | Automobile out star wheel cold-finishing drift automatic lubrication installation |
| CN107913967A (en) * | 2017-07-18 | 2018-04-17 | 江苏大洋精锻有限公司 | A kind of clutch can shaping dies and its forming technology |
| CN107584064A (en) * | 2017-10-25 | 2018-01-16 | 江苏理研科技股份有限公司 | A kind of distensible drift in end |
| CN107639196A (en) * | 2017-10-25 | 2018-01-30 | 江苏理研科技股份有限公司 | A kind of out star wheel forging finishing mold |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909420A (en) * | 2018-12-14 | 2019-06-21 | 上海电机学院 | Wedge type radially scalable mandrel and its application of VL type cage forming |
| CN110216428A (en) * | 2019-07-03 | 2019-09-10 | 中山市大地金属有限公司 | A kind of smooth copper shoe production method of equipment for dyeing and finishing |
| CN114309442A (en) * | 2021-11-16 | 2022-04-12 | 上海纳铁福传动***有限公司 | Milling-free machining method for ball path of inner star wheel of automobile universal joint |
| CN114309442B (en) * | 2021-11-16 | 2023-08-11 | 上海纳铁福传动***有限公司 | Milling-free machining method for ball channel of inner star wheel of automobile universal joint |
| CN114799032A (en) * | 2022-04-25 | 2022-07-29 | 郑州机械研究所有限公司 | Screw forging, forming method of screw forging and forming die of screw forging |
| CN114799032B (en) * | 2022-04-25 | 2024-05-24 | 郑州机械研究所有限公司 | Screw forging, forming method of screw forging and forming die of screw forging |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
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| RJ01 | Rejection of invention patent application after publication |