CN207057301U - Long-life asymmetric shaft bearing ring cold-extrusion shaping mould - Google Patents
Long-life asymmetric shaft bearing ring cold-extrusion shaping mould Download PDFInfo
- Publication number
- CN207057301U CN207057301U CN201720625148.3U CN201720625148U CN207057301U CN 207057301 U CN207057301 U CN 207057301U CN 201720625148 U CN201720625148 U CN 201720625148U CN 207057301 U CN207057301 U CN 207057301U
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- plate
- stress
- drift
- circle
- cavity
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Abstract
The utility model provides a kind of long-life asymmetric shaft bearing ring cold-extrusion shaping mould, belongs to cold extruding technique field.The utility model includes upper die component and lower mold assemblies, described is the drift that upper die component includes cope plate and is fixed on cope plate, described lower mold assemblies include lower template and the cavity plate being fixed in lower template, a circle stress is removably socketed with outside described cavity plate, the circle stress is removably fixedly connected with lower template.The utility model has the replacement of the fast assembling-disassembling of circle stress and core rod, and circle stress is reusable, reduces mould use cost, the advantages that extending the mold use life-span.
Description
Technical field
The utility model belongs to cold extruding technique field, is related to a kind of mould, asymmetric more particularly, to a kind of long-life
Bearing ring cold-extrusion shaping mould.
Background technology
Cold extrusion is exactly that metal blank is placed in cold extrusion die cavity, at room temperature, passes through punch-pin fixed on forcing press
Apply pressure to blank, the processing method for making metal blank produce plastic deformation and part being made.At present, China can to lead,
Tin, the metal such as aluminium, copper, zinc and its alloy, mild steel, medium carbon steel, tool steel, low-alloy steel and stainless steel carry out cold extrusion, very
To the cold extrusion that certain deflection can also be carried out to bearing steel, high-carbon high-aluminium alloy tool steel, high-speed steel etc..In extrusion equipment
Aspect, China have possessed design and have manufactured the ability of tonnage squeezing presses at different levels.Except using universal machine forcing press, hydraulic pressure
Outside machine, cold extrusion press, cold extrusion production is successfully also carried out using friction press and high speed high power applications.
Pressure suffered by cold extrusion die is big, and caused fuel factor, the frictional force in extrusion process are big, cause cold extruding die
Tool is too early to be damaged or scraps, and the life-span of mould is hardly resulted in guarantees, the life-span of mould has turned into restriction cold extruding technique
Using and development bottleneck.
For example, Chinese patent literature discloses a kind of axle bumper nut cold extrusion die [application number：201310289017.9],
Fixed including die shank, upper mould fixed plate, backing plate and fixed plate provided with upper punch, capping, push rod fixed plate, lower template, lower mould
Plate, lower die-sleeve, middle set and lower mould, the fastener for connecting lower template and push rod fixed plate are cased with back-moving spring, and upper punch is provided with fixed
Position hole and forming ends, forming ends are made up of forming tank and annular arm, and lower mould is provided with upper hole and forming hole, and push rod fixed plate is provided with top
Bar, push rod are connected with jacking block, and jacking block can enter in the upper hole of lower mould, and lower mold fixed plate is provided with can be with the core rod of positioning hole slide fit.
The mould can easily process axle bumper nut, and material-saving.However, the mould in long-term use, easily causes middle mould deformation, lead
Cause to use lifetime.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of long-life asymmetric shaft bearing ring cold-extrusion shaping
Mould.
To reach above-mentioned purpose, the utility model employs following technical proposal：
A kind of long-life asymmetric shaft bearing ring cold-extrusion shaping mould, including upper die component and lower mold assemblies, it is described to be
Upper die component includes cope plate and the drift being fixed on cope plate, and described lower mold assemblies include lower template and are fixed on lower mould
Cavity plate on plate, described cavity plate are removably socketed with a circle stress outside, and the circle stress is removably fixed with lower template
Connection.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, described lower mold assemblies also include being arranged
Die holder outside circle stress, and the cavity plate liner plate in lower template, described cavity plate liner plate are located at below die holder so as to right
Die holder plays a supportive role, and the bottom of die holder, circle stress and cavity plate is located in same level, and die holder passes through fastener with lower template
Dismountable connection.
It is dismountable in described cavity plate liner plate in above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould
Female mold support plate is placed with, the upper surface of described female mold support plate and the lower surface of cavity plate and circle stress are against in cavity plate
Provided with the material returned post being flexibly connected with cavity plate, material returned push rod enters after sequentially passing through lower template, cavity plate liner plate and female mold support plate
Into cavity plate, and the end of material returned push rod is located at below material returned post.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, described cavity plate is in cone type, institute
There is hollow connecting cavity that is being matched with cavity plate shape, size and being also in cone type inside the circle stress stated, work as circle stress
When being set on cavity plate, described hollow connection cavity wall is fitted close with cavity plate outer wall.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, described circle stress is distinguished including outer wall
Circle is born in the first stress of cylinder and the second stress bears to enclose, wherein the external diameter that the second stress bears circle is more than the first stress
The external diameter of circle is born, and the lower surface that the second stress bears to enclose is resisted against on female mold support plate and cavity plate liner plate, the inwall of die holder
The outer wall that circle and the second stress bear to enclose is born with the first stress respectively to be brought into close contact.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, described die holder is provided with should with first
Power bears circle and the second stress bears corresponding the first seat ring and the second seat ring in circle position, the first described seat ring and second
The junction of circle forms chuck and chuck is pressed on the second stress and bears to enclose upper surface just, and fastener sequentially passes through die holder, recessed
It is fixedly connected after die bush plate with lower template.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, the second described seat ring, the second stress
Bear to form a stress dispersion area in a ring after circle surrounds with cavity plate liner plate.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, described upper die component also includes being located at
The drift liner plate being connected is detachably fixed on cope plate with cope plate, and is detachably fixed on drift liner plate with drift liner plate
The punch fixing plate of connection, described drift is resisted against on drift liner plate after passing through punch fixing plate, and drift is fixed with drift
Plate is connected and fixed, and the one end of drift away from lower mold assemblies is resisted against on drift liner plate.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, punching is arranged with described drift liner plate
Head supporting plate, described drift are pressed on punch support plate.
In above-mentioned long-life asymmetric shaft bearing ring cold-extrusion shaping mould, described drift liner plate, which is provided with, to be used for
The cavity of punch fixing plate is plugged, punch fixing plate is snapped onto in cavity and is pressed on punch support plate and drift liner plate,
Stage portion in a ring is provided with punch fixing plate, drift outer wall is provided with the clamping circle to be matched with stage portion.
Compared with prior art, the utility model has the advantage of：
Blank significantly increases resistance of deformation by three-dimensional compressive stress in a mold during due to cold extrusion so that suffered by mould
Stress be far above general stamping die；During cold extrusion workpiece blank, the stress suffered by mould is often up to 2000~2500MPa；Due to
The load acted on during cold-extrusion shaping on mould is very big, and cavity plate inwall subjects larger internal pressure power effect, so that recessed
Larger tension is acted in the peripheral direction of mould, produces the elastic expansion of concave die cavity, typically outside next cold extrusion female die all
Supporting it can be aided with two layers or multilayer circle stress, it is not only complicated, and also cavity plate and circle stress one, it is impossible to dismounting assembling, should
The manufacturing cost of power circle is suitable with mould, less economical；The utility model has re-started optimization to cold extrusion female die circle stress and set
Meter, using results of FEM simulation, devising one kind has individual layer stress coil structures cold extrusion female die, is simplifying mould structure
While, cavity plate fuse can be achieved and combined with the assembling of circle stress, can according to the gauge size of product, circle stress and core rod it is fast
Speed dismounting is replaced, and circle stress is reusable, reduces mould use cost, extends the mold use life-span.
Brief description of the drawings
Fig. 1 is structural representation provided by the utility model；
Fig. 2 is enlarged drawing at Fig. 1 A；
Fig. 3 is the structural representation of circle stress；
Fig. 4 is the structural representation of punch fixing plate；
Fig. 5 is the structural representation of drift；
Fig. 6 is the structural representation of die holder.
It is upper die component 1, lower mold assemblies 2, cope plate 3, drift 4, lower template 5, cavity plate 6, circle stress 7, die holder 8, recessed in figure
Die bush plate 9, fastener 10, female mold support plate 11, material returned post 12, forming tank 12a, material returned push rod 13, hollow connecting cavity 14, first
Stress bears circle 15, the second stress bears circle 16, the first seat ring 17, the second seat ring 18, chuck 19, stress dispersion area 20, drift
Liner plate 21, punch fixing plate 22, punch support plate 23, clamping circle 24.
Embodiment
As shown in figure 1, a kind of long-life asymmetric shaft bearing ring cold-extrusion shaping mould, including upper die component 1 and lower mould
Component 2, described is the drift 4 that upper die component 1 includes cope plate 3 and is fixed on cope plate 3, and described lower mold assemblies 2 include
Lower template 5 and the cavity plate 6 being fixed in lower template 5, described cavity plate 6 are removably socketed with a circle stress 7, the stress outside
Circle 7 is removably fixedly connected with lower template 5.
Described lower mold assemblies 2 also include the die holder 8 being set in outside circle stress 7, and the cavity plate lining in lower template 5
Plate 9, die holder 8 are fitted close with circle stress 7, and described cavity plate liner plate 9 is located at the lower section of die holder 8 so as to be played a supportive role to die holder 8,
The bottom of die holder 8, circle stress 7 and cavity plate 6 is located in same level, and die holder 8 is dismountable by fastener 10 with lower template 5
Connection.Lower template 5, die holder 8, circle stress 7 and cavity plate 6 are in be coaxially disposed.Fastener 10 can be bolt.
Cavity plate liner plate 9 is provided with groove, and female mold support plate 11, described female mold support plate 11 are removably placed with groove
Upper surface and cavity plate 6 and circle stress 7 lower surface against, the material returned post 12 being flexibly connected with cavity plate 6 is provided with cavity plate 6,
The end of material returned post 12 is provided with forming tank 12a, after material returned push rod 13 sequentially passes through lower template 5, cavity plate liner plate 9 and female mold support plate 11
Enter in cavity plate 6, and the end of material returned push rod 13 is located at the lower section of material returned post 12.
Cavity plate 6 is in cone type, and the described inside of circle stress 7 has being matched with the shape of cavity plate 6, size and is also in circle
The hollow connecting cavity 14 of frustum type, when circle stress 7 is set on cavity plate 6, outside the described inwall of hollow connecting cavity 14 and cavity plate 6
Wall is fitted close.
That is, circle stress 7 forms close connection by taper and cavity plate 6.
With reference to shown in Fig. 3, described circle stress 7 includes outer wall and bears circle 15 and second in the first stress of cylinder respectively
Stress bears circle 16, wherein the external diameter that the second stress bears circle 16 is more than the external diameter that the first stress bears circle 15, and the second stress
The lower surface for bearing circle 16 is resisted against on female mold support plate 11 and cavity plate liner plate 9, and the inwall of die holder 8 is born with the first stress respectively
The outer wall that the stress of circle 15 and second bears circle 16 is brought into close contact.
With reference to shown in Fig. 6, described die holder 8 be provided with the first stress bear circle 15 and second stress bear enclose 16 positions
The junction of corresponding the first seat ring 17 and the second seat ring 18, the first described seat ring 17 and the second seat ring 18 forms chuck 19
And chuck 19 is pressed on the second stress and bears to enclose 16 upper surfaces just, fastener 10 sequentially pass through after die holder 8, cavity plate liner plate 9 with
Lower template 5 is fixedly connected.
With reference to shown in Fig. 2, the second described seat ring 18, the second stress bear to form one after circle 16 surrounds with cavity plate liner plate 9
Individual stress dispersion area 20 in a ring.
Second seat ring 18, the second stress, which bear circle 16 and cavity plate liner plate 9, can form close-fitting connected mode, so
And when the second stress bear circle 16 bear high-strength stress when, stress deformation can be produced, can not be such as released, then can cause should
Power circle 7 becomes fragile, and service life shortens, and therefore, stress dispersion area 20 is specially set space shape structure in a ring by the application, is used for
Discharge and deformed caused by stress deformation, so as to improve the service life of circle stress 7.
In the present embodiment, upper die component 1 also includes being detachably fixed on the cope plate 3 rushing of being connected with cope plate 3
Head liner plate 21, and the punch fixing plate 22 being connected is detachably fixed with drift liner plate 21 on drift liner plate 21, described rushes
First 4 pass through punch fixing plate 22 after be resisted against on drift liner plate 21, and drift 4 connects and fixes with punch fixing plate 22, and drift 4 is remote
One end from lower mold assemblies 2 is resisted against on drift liner plate 21.
Punch support plate 23 is arranged with drift liner plate 21, described drift is pressed on punch support plate 23.
Drift liner plate 21 is provided with the cavity for being used for plugging punch fixing plate 22, and punch fixing plate 22 is snapped onto in cavity simultaneously
It is pressed on punch support plate 23 and drift liner plate 21, stage portion 22a in a ring, drift 4 is provided with punch fixing plate 22
Outer wall is provided with the clamping circle 24 to be matched with stage portion.
The installation process of lower mold assemblies 2 of the present embodiment is as follows：Material returned push rod 13 is inserted into lower template 5, the He of cavity plate liner plate 9
Female mold support plate 11 is nested into material returned push rod 13 and is pressed in lower template 5 successively, and cavity plate 6 is put on female mold support plate 11,
7 sets of circle stress is set to outside cavity plate 6, and 8 sets of die holder is set to outside circle stress 7, fastener 10 through die holder 8, after cavity plate liner plate 9 with lower mould
Plate 5 is fixed, and material returned post 12 is embedded into cavity plate 6.
The installation process of upper die component 1 is：Drift liner plate 21 is first fixedly connected with fastener or bolt with cope plate 3,
Punch support plate 23 is pressed into drift liner plate 21, drift 4 is inserted into punch fixing plate 22, and punch fixing plate 22 is pressed onto drift branch
It is fixedly connected on fagging 23 and by bolt with drift liner plate 21.
Drift 4 is dismantled for two level, therefore changes conveniently.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more upper die component 1, lower mold assemblies 2, cope plate 3, drift 4, lower template 5, cavity plate 6, circle stress herein
7th, die holder 8, cavity plate liner plate 9, fastener 10, female mold support plate 11, material returned post 12, forming tank 12a, material returned push rod 13, hollow company
Connect chamber 14, the first stress bears circle 15, the second stress bears circle 16, the first seat ring 17, the second seat ring 18, chuck 19, stress point
The terms such as area 20, drift liner plate 21, punch fixing plate 22, punch support plate 23, clamping circle 24 are dissipated, but are not precluded from using other
The possibility of term.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；Them
Any additional limitation is construed to all to disagree with the utility model spirit.
Claims (10)
1. a kind of long-life asymmetric shaft bearing ring cold-extrusion shaping mould, including upper die component (1) and lower mold assemblies (2), its
It is characterised by, the upper die component (1) includes cope plate (3) and the drift (4) being fixed on cope plate (3), described lower mould
Component (2) includes lower template (5) and the cavity plate (6) being fixed in lower template (5), described cavity plate (6) dismountable socket outside
There is a circle stress (7), the circle stress (7) is removably fixedly connected with lower template (5).
2. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 1, it is characterised in that described
Lower mold assemblies (2) also include being set in the die holder (8) of circle stress (7) outside, and the cavity plate liner plate (9) in lower template (5),
Described cavity plate liner plate (9) is located at below die holder (8) so as to be played a supportive role to die holder (8), die holder (8), circle stress (7) and recessed
The bottom of mould (6) is located in same level, and die holder (8) is removably connected with lower template (5) by fastener (10).
3. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 2, it is characterised in that described
Female mold support plate (11), the upper surface of described female mold support plate (11) and cavity plate are removably placed with cavity plate liner plate (9)
(6) and circle stress (7) lower surface against being provided with the material returned post (12) being flexibly connected with cavity plate (6), the material returned in the cavity plate (6)
Push rod (13) is entered in cavity plate (6) after sequentially passing through lower template (5), cavity plate liner plate (9) and female mold support plate (11), and the material returned
The end of push rod (13) is located at below material returned post (12).
4. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 3, it is characterised in that described
Cavity plate (6) is in cone type, and described circle stress (7) inside has being matched with cavity plate (6) shape, size and is also in circular cone
The hollow connecting cavity (14) of bench-type, when circle stress (7) is set on cavity plate (6), described hollow connecting cavity (14) inwall with
Cavity plate (6) outer wall is fitted close.
5. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 4, it is characterised in that described
Circle stress (7) bears to enclose (15) in the first stress of cylinder respectively including outer wall and the second stress bears to enclose (16), wherein the
The external diameter that two stress bear to enclose (16) is more than the external diameter that the first stress bears circle (15), and the second stress bears to enclose under (16)
Surface is resisted against on female mold support plate (11) and cavity plate liner plate (9), and the inwall of die holder (8) bears to enclose (15) respectively with the first stress
The outer wall for bearing to enclose (16) with the second stress is brought into close contact.
6. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 5, it is characterised in that described
Die holder (8) is provided with bears to enclose (15) and the second stress the first seat ring (17) that to bear circle (16) position corresponding with the first stress
With the second seat ring (18), the junction of described the first seat ring (17) and the second seat ring (18) forms chuck (19) and chuck (19)
Just be pressed on the second stress bear enclose (16) upper surface, fastener (10) sequentially pass through die holder (8), cavity plate liner plate (9) afterwards with
Lower template (5) is fixedly connected.
7. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 6, it is characterised in that described
Second seat ring (18), the second stress, which bear to enclose after (16) are surrounded with cavity plate liner plate (9), forms a stress dispersion area in a ring
(20)。
8. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 1, it is characterised in that described
Upper die component (1) also includes being detachably fixed the drift liner plate (21) being connected, and position with cope plate (3) on cope plate (3)
In being detachably fixed the punch fixing plate being connected (22) on drift liner plate (21) with drift liner plate (21), described drift (4) is worn
It is resisted against after crossing punch fixing plate (22) on drift liner plate (21), and drift (4) connects and fixes with punch fixing plate (22), drift
(4) one end away from lower mold assemblies (2) is resisted against on drift liner plate (21).
9. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 8, it is characterised in that described
Punch support plate (23) is arranged with drift liner plate (21), described drift is pressed on punch support plate (23).
10. long-life asymmetric shaft bearing ring cold-extrusion shaping mould according to claim 9, it is characterised in that described
Drift liner plate (21) be provided with and be used to plug the cavitys of punch fixing plate (22), punch fixing plate (22) is snapped onto in cavity simultaneously
It is pressed on punch support plate (23) and drift liner plate (21), stage portion in a ring, punching is provided with punch fixing plate (22)
Head (4) outer wall is provided with the clamping circle (24) to be matched with stage portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625148.3U CN207057301U (en) | 2017-06-01 | 2017-06-01 | Long-life asymmetric shaft bearing ring cold-extrusion shaping mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625148.3U CN207057301U (en) | 2017-06-01 | 2017-06-01 | Long-life asymmetric shaft bearing ring cold-extrusion shaping mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207057301U true CN207057301U (en) | 2018-03-02 |
Family
ID=61505933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625148.3U Expired - Fee Related CN207057301U (en) | 2017-06-01 | 2017-06-01 | Long-life asymmetric shaft bearing ring cold-extrusion shaping mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207057301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695122A (en) * | 2017-06-01 | 2018-02-16 | 浙江精力轴承科技有限公司 | Long-life asymmetric shaft bearing ring cold-extrusion shaping mould |
| CN115488239A (en) * | 2022-11-22 | 2022-12-20 | 浙江钱富万向节有限公司 | Inverted bearing bowl precision cold extrusion die capable of adjusting balance |
-
2017
- 2017-06-01 CN CN201720625148.3U patent/CN207057301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695122A (en) * | 2017-06-01 | 2018-02-16 | 浙江精力轴承科技有限公司 | Long-life asymmetric shaft bearing ring cold-extrusion shaping mould |
| CN115488239A (en) * | 2022-11-22 | 2022-12-20 | 浙江钱富万向节有限公司 | Inverted bearing bowl precision cold extrusion die capable of adjusting balance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20210601 |