CN109482745A - A kind of universal cage inner race process for stamping and forming of universal joint - Google Patents
A kind of universal cage inner race process for stamping and forming of universal joint Download PDFInfo
- Publication number
- CN109482745A CN109482745A CN201811441614.8A CN201811441614A CN109482745A CN 109482745 A CN109482745 A CN 109482745A CN 201811441614 A CN201811441614 A CN 201811441614A CN 109482745 A CN109482745 A CN 109482745A
- Authority
- CN
- China
- Prior art keywords
- forming
- inner race
- universal
- punching press
- lower die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/06—Stamping using rigid devices or tools having relatively-movable die parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of universal cage inner race process for stamping and forming of universal joint, comprising the following steps: the steel of specific components is selected to cast universal cage inner race blank；It is made annealing treatment；Stamping using press forming die progress, press forming die includes mold under punching press upper mold and punching press；Mold includes fixed lower die holder under the punching press, and the fixed lower die holder is provided with workpiece placing groove, channel shaped core trough road forming core model；Punching press fluid cylinder is fixedly connected at the top of the punching press upper mold, the bottom of the punching press upper mold is provided with inner hole forming core model and channel forming voussoir；Machining is carried out, universal cage inner race finished product is made；It is quenched.The present invention is suitable for the lesser cast blank progress secondary operation of size surplus is retained, so that avoiding the occurrence of universal cage inner race workpiece the problem of local size is lower than standard value, can not carry out machining occurs.
Description
Technical field
The present invention relates to a kind of automobile gimbal component technology field, especially a kind of universal cage of universal joint
Inner race process for stamping and forming.
Background technique
The structure design that most of automobile all uses front engine rear wheel to drive, universal joint are just mounted in change at present
Important transmission components between fast device output shaft and main reducing gear of drive axle input shaft, the major function of universal joint are as master
It, being capable of flexible communication power and torque when angular displacement occurs for moving axis and driven shaft.Universal cage inner race is rzeppa joint
Important composition component, structure mainly includes inner hole, spherical outside surface and channel, for being sleeved on shaft after interior hole machined spline
On, spherical outside surface is sleeved in ball pin retainer, for placing spin in channel.
In the prior art, the processing technology of universal cage inner race mainly includes that cast blank and shaping by stock removal two walk greatly
Suddenly, in order to guarantee the dimensions of universal cage inner race, usual cast blank will retain biggish size surplus, therefore not only
It is larger for the waste of material, and the efficiency of shaping by stock removal is lower；When the size surplus that cast blank to be retained is smaller, hold
Cast blank local size is easily led to lower than standard value, machining can not be carried out.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of universal stamping works of cage inner race of universal joint
Skill is suitable for the lesser cast blank progress secondary operation of size surplus is retained, to avoid the occurrence of universal cage inner race
The problem of there is local size lower than standard value in workpiece, can not carry out machining.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of universal cage inner race process for stamping and forming of universal joint, comprising the following steps:
Step 1: steel casting universal cage inner race blank of the selection containing following mass percent component: carbon 0.17%~
0.23%, silicon 0.17%~0.37%, manganese 0.80%~1.10%, chromium 1.00%~1.30%, titanium 0.04%~0.10%, sulphur is less than or equal to
0.035%, phosphorus is less than or equal to 0.035%, and nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron；
Step 2: the universal cage inner race blank of casting is made annealing treatment；
Step 3: stamping to the progress of universal cage inner race blank using press forming die, press forming die includes
Mold under punching press upper mold and punching press；Mold includes the discoidal fixed lower die holder of axis vertical setting, institute under the punching press
It states and is provided with workpiece placing groove at the axis of fixed lower die holder, the fixed lower die holder has been disposed radially several connection works
The channel shaped core slot of part placing groove, between the axis that several channel shaped core slots surround the fixed lower die holder circumferentially waits
It is arranged away from distribution, a channel forming core model is provided in each channel shaped core slot；The top of the punching press upper mold
It is fixedly connected with punching press fluid cylinder, the bottom of the punching press upper mold is provided with inner hole forming core model and several channels forming voussoir, if
The position for doing the channel forming voussoir and several channel forming core models corresponds, and each channel shapes core model
The wedge-shaped end face for cooperating the channel forming voussoir is provided with backwards to one end of the workpiece placing groove；
Step 4: carrying out machining to the universal cage inner race blank after stamping, be made universal cage inner race at
Product；
Step 5: universal cage inner race finished product is quenched.
As a further improvement of the above technical scheme, in step 2, the technique of annealing is by the carburizing steel pole
Material is heated to 830 DEG C~850 DEG C, keeps the temperature 1~2 hour, is then cooled to room temperature with 8 DEG C per minute~11 DEG C of rate.
As a further improvement of the above technical scheme, in step 5, the technique of quenching treatment is to pass the drive shaft
Lever and the cross axle connector are heated to 830 DEG C~850 DEG C, keep the temperature 0.6 hour~1.2 hours, then by quickly quenching
Kerosene is cooled within 100 DEG C, finally by air cooled to room temperature.
Compared with prior art, the beneficial effects of the present invention are:
The universal cage inner race process for stamping and forming of a kind of universal joint provided by the present invention, by using punching press upper mold and band
There is mold under the punching press of channel forming core model to carry out secondary operation to cast blank, to the reservation lesser casting hair of size surplus
Base can avoid the occurrence of universal cage inner race workpiece and local size occur lower than standard value, can not carry out asking for machining
Topic.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of press forming die of the present invention；
Sectional elevation structural schematic diagram when Fig. 2 is the non-punching press of mold under punching press of the present invention；
Fig. 3 is the partial profile structure in Fig. 2 at A-A；
Fig. 4 is the overlooking structure diagram of mold under punching press of the present invention.
Specific embodiment
The universal cage inner race process for stamping and forming of a kind of universal joint provided in this embodiment, comprising the following steps:
Step 1: steel casting universal cage inner race blank of the selection containing following mass percent component: carbon 0.17%~
0.23%, silicon 0.17%~0.37%, manganese 0.80%~1.10%, chromium 1.00%~1.30%, titanium 0.04%~0.10%, sulphur is less than or equal to
0.035%, phosphorus is less than or equal to 0.035%, and nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron.
Step 2: the universal cage inner race blank of casting is made annealing treatment；The technique of annealing is will be described
Carburizing steel pole stock is heated to 830 DEG C~850 DEG C, keeps the temperature 1~2 hour, is then cooled to room with 8 DEG C per minute~11 DEG C of rate
Temperature.
Step 3: stamping, press forming die is carried out to universal cage inner race blank using press forming die
Structure is as shown in Figures 1 to 4, including mold under punching press upper mold and punching press；Mold includes axis vertical setting under the punching press
Discoidal fixed lower die holder 11, workpiece placing groove 12 is provided at the axis of the fixed lower die holder 11, under the fixation
Die holder 11 is disposed radially the channel shaped core slot 13 of several connection workpiece placing grooves 12, several channel shaped cores
Around the axis of the fixed lower die holder 11, circumferentially equidistantly distributed is arranged slot 13, sets in each channel shaped core slot 13
It is equipped with a channel forming core model 14；Punching press fluid cylinder 25, the punching press upper mold are fixedly connected at the top of the punching press upper mold
Bottom be provided with inner hole forming core model 21 and several channels forming voussoir 22, several channels forming voussoirs 22 and several institutes
The position for stating channel forming core model 14 corresponds, and each channel forming core model 14 is backwards to the workpiece placing groove 12
One end is provided with the wedge-shaped end face for cooperating the channel forming voussoir 22.
Specifically, the punching press upper mold further includes upper-mould top 23 and upper mould fixed plate 24, the upper mould fixed plate 24
On be provided with the through-hole of the fixed channel forming voussoir 22, the fitting of upper-mould top 23 is set to the upper mould fixed plate 24
Top surface, and the upper-mould top 23 is fixedly installed on the upper end of inner hole forming core model 21, and the inner hole shapes core model
21 top surface is fixedly connected with the punching press fluid cylinder 25.The channel shaped core slot 13 is connected to the outer side roller of the fixed lower die holder 11
Face, and the outside roll surface of the fixed lower die holder 11 is set with annular lower die-sleeve 15；The channel shaped core slot 13 includes direction
The core slot wide path 131 of described annular lower die-sleeve 15 one end and the narrow diameter section 132 of core slot towards described 12 one end of workpiece placing groove,
The channel forming core model 14 is also equipped with the wide diameter of core model of the cooperation core slot wide path 131 and the narrow diameter section 132 of the core slot
Section 141 and the narrow diameter section 142 of core model.Core model is provided on the side wall of the core slot wide path 131 of the channel shaped core slot 13
Limiting groove 133, the channel forming core model 14 are provided with the core model limit convex barring for cooperating the core model limiting groove 133
143.Thimble mounting hole 16 is additionally provided at the axis of the fixed lower die holder 11, the thimble mounting hole 16 is located at the workpiece
The lower section of placing groove 12, and discharging thimble 17 is provided in the thimble mounting hole 16；The upper end of the thimble mounting hole 16 connects
Lead to the workpiece placing groove 12, the upper end of the thimble mounting hole 16 is connected to the bottom wall of the fixed lower die holder 11, and described solid
Fix and be provided with lower die holder cover board 18 on the bottom wall of die holder 11, the bottom of the lower die holder cover board 18 and the discharging thimble 17 it
Between be provided with discharging spring 19,19 axis vertical of the discharging spring setting.
When processing, workpiece is placed on to the top of the workpiece placing groove 12, the work under the support of the discharging thimble 17
Part is not completely into the workpiece placing groove 12, and then the punching press upper mold falls, and the inner hole forming core model 21 enters work
Part inner hole pushes the discharging thimble 17 to fall, and workpiece is completely into the workpiece placing groove 12, while the inner hole shaped core
The inner hole of 21 workpieces processing of mould；Then channel forming voussoir 22 falls, and the channel is pushed to shape core model 14 towards described
Workpiece placing groove 12 moves, and carries out plastic processing to the channel of workpiece；After the completion of punch process, the punching press upper mold lifting,
The inner hole forming core model 21 exits inner hole of workpiece, and the channel forming voussoir 22 exits the channel shaped core slot 13, described
Discharging thimble 17, which rises, jacks up workpiece, consequently facilitating workpiece discharging.
Step 4: machining is carried out to the universal cage inner race blank after stamping, universal cage star is made
Cover finished product.
Step 5: universal cage inner race finished product is quenched；The technique of quenching treatment is by the drive shaft
Drive rod and the cross axle connector are heated to 830 DEG C~850 DEG C, keep the temperature 0.6 hour~1.2 hours, then by quick
Quenching oil is cooled within 100 DEG C, finally by air cooled to room temperature.
Better embodiment of the invention is illustrated above, certainly, the present invention can also using with it is above-mentioned
The different form of embodiment, those skilled in the art are made equivalent on the premise of without prejudice to spirit of the invention
Transformation or corresponding change, all should belong in protection scope of the present invention.
Claims (7)
1. a kind of universal cage inner race process for stamping and forming of universal joint, which comprises the following steps:
Step 1: steel casting universal cage inner race blank of the selection containing following mass percent component: carbon 0.17%~
0.23%, silicon 0.17%~0.37%, manganese 0.80%~1.10%, chromium 1.00%~1.30%, titanium 0.04%~0.10%, sulphur is less than or equal to
0.035%, phosphorus is less than or equal to 0.035%, and nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron；
Step 2: the universal cage inner race blank of casting is made annealing treatment；
Step 3: stamping to the progress of universal cage inner race blank using press forming die, press forming die includes
Mold under punching press upper mold and punching press；Mold includes the discoidal fixed lower die holder of axis vertical setting, institute under the punching press
It states and is provided with workpiece placing groove at the axis of fixed lower die holder, the fixed lower die holder has been disposed radially several connection works
The channel shaped core slot of part placing groove, between the axis that several channel shaped core slots surround the fixed lower die holder circumferentially waits
It is arranged away from distribution, a channel forming core model is provided in each channel shaped core slot；The top of the punching press upper mold
It is fixedly connected with punching press fluid cylinder, the bottom of the punching press upper mold is provided with inner hole forming core model and several channels forming voussoir, if
The position for doing the channel forming voussoir and several channel forming core models corresponds, and each channel shapes core model
The wedge-shaped end face for cooperating the channel forming voussoir is provided with backwards to one end of the workpiece placing groove；
Step 4: carrying out machining to the universal cage inner race blank after stamping, be made universal cage inner race at
Product；
Step 5: universal cage inner race finished product is quenched.
2. the universal cage inner race process for stamping and forming of a kind of universal joint according to claim 1, it is characterised in that: step
In two, the technique of annealing is that the carburizing steel pole stock is heated to 830 DEG C~850 DEG C, 1~2 hour is kept the temperature, then with every
The rate of 8 DEG C~11 DEG C of minute is cooled to room temperature.
3. the universal cage inner race process for stamping and forming of a kind of universal joint according to claim 1, it is characterised in that: step
In five, the technique of quenching treatment is that the drive shaft drive rod and the cross axle connector are heated to 830 DEG C~850 DEG C,
Heat preservation 0.6 hour~1.2 hours, is then cooled within 100 DEG C by fast quenching oil, is naturally cooled to finally by air
Room temperature.
4. the universal cage inner race process for stamping and forming of a kind of universal joint according to claim 1, it is characterised in that: described
Punching press upper mold further includes upper-mould top and upper mould fixed plate, and the fixed channel forming wedge is provided on the upper mould fixed plate
The through-hole of block, the upper-mould top fitting is set to the top surface of the upper mould fixed plate, and the upper-mould top is fixedly installed on
The upper end of the inner hole forming core model, and the top surface of inner hole forming core model is fixedly connected with the punching press fluid cylinder.
5. the universal cage inner race process for stamping and forming of a kind of universal joint according to claim 1, it is characterised in that: described
Channel shaped core slot is connected to the outside roll surface of the fixed lower die holder, and the outside roll surface of the fixed lower die holder is set with annular
Lower die-sleeve；The channel shaped core slot includes putting towards the core slot wide path of described annular lower die-sleeve one end and towards the workpiece
The narrow diameter section of core slot of slot one end is set, the channel forming core model, which is also equipped with, cooperates the core slot wide path and the narrow diameter of core slot
The narrow diameter section of core model wide path and core model of section.
6. the universal cage inner race process for stamping and forming of a kind of universal joint according to claim 5, it is characterised in that: described
Core model limiting groove is provided on the side wall of the core slot wide path of channel shaped core slot, the channel forming core model is provided with
Cooperate the core model limit convex barring of the core model limiting groove.
7. the universal cage inner race process for stamping and forming of a kind of universal joint according to claim 1, it is characterised in that: described
It is additionally provided with thimble mounting hole at the axis of fixed lower die holder, the thimble mounting hole is located at the lower section of the workpiece placing groove,
And discharging thimble is provided in the thimble mounting hole；The upper end of the thimble mounting hole is connected to the workpiece placing groove, described
The upper end of thimble mounting hole is connected to the bottom wall of the fixed lower die holder, and is provided with lower die holder on the bottom wall of the fixed lower die holder
Cover board, is provided with discharging spring between the lower die holder cover board and the bottom of the discharging thimble, the discharging axle of spring is perpendicular
Straight setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441614.8A CN109482745A (en) | 2018-11-29 | 2018-11-29 | A kind of universal cage inner race process for stamping and forming of universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441614.8A CN109482745A (en) | 2018-11-29 | 2018-11-29 | A kind of universal cage inner race process for stamping and forming of universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109482745A true CN109482745A (en) | 2019-03-19 |
Family
ID=65698623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811441614.8A Withdrawn CN109482745A (en) | 2018-11-29 | 2018-11-29 | A kind of universal cage inner race process for stamping and forming of universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109482745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453845A (en) * | 2022-03-03 | 2022-05-10 | 襄阳佰誉机械有限公司 | Machining process for high-precision deformation-resistant non-standard bushing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU498783A1 (en) * | 1972-10-27 | 1983-10-15 | Всесоюзный Научно-Исследовательский Инструментальный Институт | Die for radial forming of central-aperture forgings |
| JP2008194702A (en) * | 2007-02-08 | 2008-08-28 | Honda Motor Co Ltd | Gear forming device |
| CN102284663A (en) * | 2011-06-09 | 2011-12-21 | 无锡东海锻造有限公司 | Precision forging process and die for flange |
| CN107537966A (en) * | 2017-07-03 | 2018-01-05 | 江苏大洋精锻有限公司 | The shaping dies and its processing technology of a kind of valley road forging |
| CN108480412A (en) * | 2018-05-15 | 2018-09-04 | 江苏森威精锻有限公司 | A kind of inner race housing die |
-
2018
- 2018-11-29 CN CN201811441614.8A patent/CN109482745A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU498783A1 (en) * | 1972-10-27 | 1983-10-15 | Всесоюзный Научно-Исследовательский Инструментальный Институт | Die for radial forming of central-aperture forgings |
| JP2008194702A (en) * | 2007-02-08 | 2008-08-28 | Honda Motor Co Ltd | Gear forming device |
| CN102284663A (en) * | 2011-06-09 | 2011-12-21 | 无锡东海锻造有限公司 | Precision forging process and die for flange |
| CN107537966A (en) * | 2017-07-03 | 2018-01-05 | 江苏大洋精锻有限公司 | The shaping dies and its processing technology of a kind of valley road forging |
| CN108480412A (en) * | 2018-05-15 | 2018-09-04 | 江苏森威精锻有限公司 | A kind of inner race housing die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453845A (en) * | 2022-03-03 | 2022-05-10 | 襄阳佰誉机械有限公司 | Machining process for high-precision deformation-resistant non-standard bushing |
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Application publication date: 20190319 |
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