CN207872820U - A kind of elastomer expanding die - Google Patents
A kind of elastomer expanding die Download PDFInfo
- Publication number
- CN207872820U CN207872820U CN201820209041.5U CN201820209041U CN207872820U CN 207872820 U CN207872820 U CN 207872820U CN 201820209041 U CN201820209041 U CN 201820209041U CN 207872820 U CN207872820 U CN 207872820U
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- elastomer
- lower die
- die
- cavity
- mold
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Abstract
The utility model provides a kind of elastomer expanding die, including is set to upper die component and lower mold assemblies on hydraulic press between driving and lower driving, and the upper die component includes：Cope plate, and it is removably mounted at the upper mold below cope plate, offer model cavity in the upper mold；The lower mold assemblies include：Lower template, the elastomer mould for being set with workpiece being removably mounted above lower template, and it is set in the lower die outside elastomer mould, lower die cavity is offered in the lower die, the upper model cavity and lower die cavity mold the mold cavity to be formed and be matched with finished work-piece shape；The elastomer mould after dilatancy for squeezing workpiece so that shape brake forming of the workpiece along the mold cavity.Elastomer expanding die provided by the utility model can coordinate common hydraulic test to use, and greatly reduce equipment purchase cost, and the workpiece surface after processing is smooth, disclosure satisfy that the quality requirement of product.
Description
Technical field
The utility model is related to Stamping Die Technology field more particularly to a kind of elastomer expanding dies.
Background technology
Stainless steel product is changed by the original main functional requirements that meet in addition to work(to be met with the development of technique
It is also required to product while energy property demand and has certain aesthetic feeling.Therefore, it is necessary to make one on the basis of original cylinder
The innovation of a little shapes, such as cripling shape, cone.Tube bulge belongs to the manufacturing process of elongation class, and tubing is swollen both at home and abroad at present
Shape mainly uses rigid mould bulging and two class method of soft mode bulging to shape.For rigid mould bulging using rigid punch-pin bulging, soft mode is swollen
Shape is to replace rigid punch-pin using elastomer such as rubber, liquid or gas pressure.It is most of public but for control cost
Department will not purchase soft mode bulging equipment again to process individual product.
Therefore, it is necessary on the basis of existing equipment such as hydraulic tensioner, a kind of elastomer expanding die is proposed, complete
Soft mode bulging process.
Utility model content
The purpose of this utility model is that：For individually the high problem of buying soft mode bulging equipment cost carries in the prior art
For a kind of elastomer expanding die that can complete soft mode bulging on the basis of existing hydraulic press.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：A kind of elastomer expanding die is provided,
Including the upper die component and lower mold assemblies being set on hydraulic press between driving and lower driving, the upper die component includes：
Cope plate；
Upper mold is removably mounted at below the cope plate, and downward opening upper model cavity is offered in the upper mold；
The lower mold assemblies include：
Lower template；
Elastomer mould is removably mounted above the lower template, for being set with workpiece to be formed；
Lower die is set in outside the elastomer mould, and opening up lower die cavity, the upper mold are offered in the lower die
Cavity and the docking molding of lower die cavity form the mold cavity to match with finished work-piece appearance profile；
The elastomer mould is used for the dilatancy after upper die and lower die force and squeezes workpiece so that workpiece is full of mould
Have cavity and the shape brake forming along the mold cavity.
In the above-mentioned elastomer expanding die of the utility model, the opening radius etc. of the upper model cavity and lower die cavity
In the maximum radius of finished work-piece shape.
In the above-mentioned elastomer expanding die of the utility model, driving is for driving the upper mold downward on the hydraulic press
Movement；
Several through-holes are offered in the lower template, and movement is driven up under the hydraulic press and extends the through-hole simultaneously
Lower die is abutted, the lower die is used to support.
In the above-mentioned elastomer expanding die of the utility model, the upper mold has circular close to the end set of the lower die
The annular relief of the upper model cavity, the lower die have the ring around the lower die cavity close to the end set of the upper mold
Connected in star；
The annular relief is inlayed to the annular groove, for being tightly connected the upper die and lower die.
In the above-mentioned elastomer expanding die of the utility model, the one end of the lower die far from the upper mold offers connection
The periphery wall elasticity of the connecting hole of the lower die cavity, the elastomer mould compresses the connecting hole.
In the above-mentioned elastomer expanding die of the utility model, the upper die component further includes several upper mold screws, often
The screw cap end of the one upper mold screw is fastened in the cope plate, and the other end of each upper mold screw extends on described
In mould, for cope plate and upper mold described in screw threads for fastening；
The lower mold assemblies further include several lower die screws, the screw cap end of each lower die screw be fastened on it is described under
In template, the other end of each lower die screw extends into the elastomer mould, for lower template described in screw threads for fastening and
Elastomer mould；
The lower die screw is made of excellent power glue material.
In the above-mentioned elastomer expanding die of the utility model, the quantity of the through-hole is four, four described through-holes etc.
Spacing is circumferentially positioned at below lower die；
The elastomer mould is Elastic Cylindrical mould made of excellent power glue material；
The upper die and lower die are cylindrical rigid mould made of mould steel；
The upper model cavity and lower die cavity are in a circular table shape.
Elastomer expanding die provided by the utility model compared with prior art, has the advantages that：This practicality
Novel design flexibility body expanding die on the basis of common hydraulic test so that the production cost of entire technical process is significantly
Less than rigid bulging process and soft mode bulging process；And the elastomer expanding die makes it by applying pressure to elastomer mould
Dilatancy squeezes workpiece, so that workpiece is full of entire mold cavity, achievees the purpose that bulging, since elastomer moulds have very by force
Resilience, tear resistance and very high elongation percentage, therefore after processing workpiece shaping face is full, surface is smooth, meet product
Quality requirement.
Description of the drawings
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Fig. 1 is the sectional view for the elastomer expanding die that the utility model embodiment provides；
Fig. 2 is the explosive view for the elastomer expanding die that the utility model embodiment provides.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, elastomer expanding die provided by the utility model include be set on hydraulic press actuator and under
Upper die component between driving and lower mold assemblies, the upper die component include cope plate 110, are removably mounted at cope plate 110
The upper mold 120 of lower section.The lower mold assemblies include lower template 210, are removably mounted at the elastomer mould of 210 top of lower template
220, and the lower die 230 that is set in outside elastomer mould 220.
Wherein, downward opening upper model cavity 121 is offered in upper mold 120, offered in lower die 230 it is opening up under
Model cavity 231, upper model cavity 121 and the docking molding of lower die cavity 231 form and wait for the mould that punched workpiece appearance profile matches
Has cavity.
The one end of lower die 230 far from upper mold 120 is further opened with the connecting hole 233 of connection lower die cavity 231, connecting hole 233
Match with the appearance profile of elastomer mould 220, so that the periphery wall elasticity of elastomer mould 220 is pressed on the interior of connecting hole 233
On peripheral wall, prevent lower die 230 from falling off.
The one end of elastomer mould 220 far from lower template 210 is arranged with workpiece to be formed, when actual processing, is driven on hydraulic press
It is dynamic to move downward, and then drive cope plate 110 that upper mold 120 is driven to move downward；It is driven up under hydraulic press and moves and extend
The through-hole 211 opened up in lower template 210, until 230 bottom of lower die is abutted, to support lower die when upper mold 120 exerts a force downwards
230 so that closely molding forms complete mold cavity for upper mold 120 and lower die 230；In the mistake that upper mold 120 and lower die 230 mold
Cheng Zhong, elastomer mould 220 is by dilatancy after the extruding force of upper mold 120 and lower die 230 and squeezes workpiece so that workpiece is full of
The mold cavity and appearance profile brake forming along mold cavity.Make it should be noted that entire technical process only coordinates
With common hydraulic test and mold provided by the utility model, production cost is less than rigid film bulging process and soft mode bulging work
Skill, and gained shaping workpiece surface is smooth, it is high-quality.
In some embodiments of the utility model, the bottom of lower die 230 is directly connected in lower template 210, the bullet
Property body expanding die can coordinate and only have upper driving or the equipment of lower driving is used：When equipment only has upper driving,
Lower die 230 keeps firm, and the upper driving driving upper mold 120 of equipment is moved downward forms closed mould type with the molding of lower die 230
Chamber；When equipment only has lower driving, upper mold 120 keeps firm, and the lower driving driving lower die 230 of equipment moves upwards and upper mold
120 moldings form closed mold cavity, in this way, the requirement of driving equipment can be further decreased, improve the elastic bulging
The versatility of mold.
In the present embodiment, the opening radius of upper model cavity 121 and lower die cavity 231, which is equal to, waits for punched workpiece shape most
Large radius, i.e. mold cavity are upper model cavity 121 and lower die cavity 231 in the maximum radius punishment mould of workpiece, so as in workpiece
Mold and workpiece can be smoothly taken out after molding.
In the present embodiment, the land area of upper mold 120 and lower die 230 is respectively arranged with the annular relief 122 mutually agreed with
With annular groove 232.Specifically, upper mold 120 is provided with the annular around upper model cavity 121 close to the end bosses of lower die 230
Lug boss 122, lower die 230 are provided with the annular groove 232 around lower die cavity 231 close to the end indent of upper mold 120；Molding
When, annular relief 122 is inlayed to annular groove 232, to be tightly connected upper mold 120 and lower die 230, so that work after molding
Part forming surface is full, and leakage is not present along molding, and overall appearance is consistent.
In the present embodiment, is also extended through on cope plate 110 and lower template 210 and offer several stepped ramp type threaded holes.It is described
Upper die component further includes several upper mold screws 130, and the screw cap end of each upper mold screw 130 is fastened on the threaded hole of cope plate
Interior, each one end of upper mold screw 130 far from screw cap end extends into upper mold 120, with screw threads for fastening cope plate 110 and upper mold 120；
The lower mold assemblies further include several lower die screws 240, and the screw cap end of each lower die screw 240 is fastened on lower die
In the threaded hole of plate, each one end of lower die screw far from screw cap end extends into elastomer mould 220, with screw threads for fastening lower template
210 and elastomer mould 220；
It is understood that elastomer expanding die provided in this embodiment can be replaced according to the difference of workpiece it is different
Upper die and lower die and elastomer mould, have greatly reinforced the versatility of mold.
Further, in conjunction with shown in Fig. 2, in the present embodiment, the quantity of the through-hole 211 in lower template 210 is four, four
The position that a through-hole 211 corresponds to lower die 230 is equally spaced around setting in lower template 210 so that lower die 230 can be by uniform
Support force, ensure stability of the lower die 230 in clamping process；
Elastomer mould 220 is preferably excellent power glue, i.e. Elastic Cylindrical mould made of polyurethane PU elastomer, ensures elastomer
Mould 220 has very strong resilience, tear resistance and very high elongation percentage so that and bulging is full after 220 stress of elastomer mould, and
Ensure that elastomer mould 220 has certain service life；In order to coordinate the use of elastomer mould 220, lower die screw 240 equally to adopt
It is made of excellent power glue material, the quantity of lower die screw 240 is one.
Upper mold 120 and lower die 230 be preferably cylindrical rigid mould, precision and service life made of Cr12 mould steel compared with
Height can ensure the batch production of workpiece；Cope plate 110 and lower template 210 are preferably cylindrical made of A3 carbon structural steels
Support plate ensures the service life of mold.
It is had the advantages that in conclusion implementing the utility model above-described embodiment：Bullet provided by the utility model
Property body expanding die coordinate common hydraulic test to use, production cost is less than rigid bulging process and soft mode bulging process；And
The elastomer expanding die makes its dilatancy, squeezes workpiece, workpiece is made to be full of entire mould by applying pressure to elastomer mould
Have cavity, achievees the purpose that bulging, since elastomer moulds have very strong resilience, tear resistance and very high elongation percentage, because
After this processing workpiece shaping face is full, surface is smooth, meet the quality requirement of product.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Right within.
Claims (7)
1. a kind of elastomer expanding die, including it is set to the upper die component on hydraulic press between driving and lower driving and lower module
Part, which is characterized in that the upper die component includes：
Cope plate (110)；
Upper mold (120) is removably mounted at below the cope plate (110), is offered in the upper mold (120) downward opening
Upper model cavity (121)；
The lower mold assemblies include：
Lower template (210)；
Elastomer mould (220) is removably mounted above the lower template (210), for being set with workpiece to be formed；
Lower die (230) is set in the elastomer mould (220) outside, and opening up drag is offered on the lower die (230)
Chamber (231), the upper model cavity (121) and lower die cavity (231) docking molding form and match with finished work-piece appearance profile
Mold cavity；
The elastomer mould (220) is used for the dilatancy after the upper mold (120) and lower die (230) force and squeezes workpiece, makes
It obtains workpiece and is full of mold cavity and the shape brake forming along the mold cavity.
2. elastomer expanding die according to claim 1, which is characterized in that the upper model cavity (121) and drag
The opening radius of chamber (231) is equal to the maximum radius of finished work-piece shape.
3. elastomer expanding die according to claim 1, which is characterized in that driving is for driving on the hydraulic press
Upper mold (120) is stated to move downward；
Several through-holes (211) are offered on the lower template (210), be driven up under the hydraulic press movement extend it is described
Through-hole (211) simultaneously abuts lower die (230), is used to support the lower die (230).
4. elastomer expanding die according to claim 1, which is characterized in that the upper mold (120) is close to the lower die
(230) end set has the annular relief (122) around the upper model cavity (121), and the lower die (230) is close to described
The end set of upper mold (120) has the annular groove (232) around the lower die cavity (231)；
The annular relief (122) is inlayed in the annular groove (232), for be tightly connected the upper mold (120) and
Lower die (230).
5. elastomer expanding die according to claim 1, which is characterized in that the lower die (230) is far from the upper mold
(120) one end offers the connecting hole (233) for being connected to the lower die cavity (231), the periphery wall of the elastomer mould (220)
Elasticity compresses the connecting hole (233).
6. elastomer expanding die according to claim 1, which is characterized in that the upper die component further includes on several
The screw cap end of mould screw (130), each upper mold screw (130) is fastened in the cope plate (110), each upper mold
The other end of screw (130) extends into the upper mold (120), for cope plate (110) and upper mold described in screw threads for fastening
(120)；
The lower mold assemblies further include several lower die screws (240), and the screw cap end of each lower die screw (240) is fastened on
In the lower template (210), the other end of each lower die screw (240) extends into the elastomer mould (220), is used for
Lower template described in screw threads for fastening (210) and elastomer mould (220)；
The lower die screw (240) is made of excellent power glue material.
7. elastomer expanding die according to claim 3, which is characterized in that the quantity of the through-hole (211) is four,
Four through-holes (211) are equally spaced around setting below lower die (230)；
The elastomer mould (220) is Elastic Cylindrical mould made of excellent power glue material；
The upper mold (120) and lower die (230) are cylindrical rigid mould made of mould steel；
The upper model cavity (121) and lower die cavity (231) are in a circular table shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209041.5U CN207872820U (en) | 2018-02-07 | 2018-02-07 | A kind of elastomer expanding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209041.5U CN207872820U (en) | 2018-02-07 | 2018-02-07 | A kind of elastomer expanding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207872820U true CN207872820U (en) | 2018-09-18 |
Family
ID=63511012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209041.5U Expired - Fee Related CN207872820U (en) | 2018-02-07 | 2018-02-07 | A kind of elastomer expanding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207872820U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848315A (en) * | 2019-03-01 | 2019-06-07 | 西格迈股份有限公司 | The split type moulding stamper and forming method of special-shaped surge drum |
| CN110788193A (en) * | 2019-10-29 | 2020-02-14 | 威海林润新材料科技发展有限公司 | Controllable medium cold stamping forming process method and die structure thereof |
| CN111745052A (en) * | 2020-06-15 | 2020-10-09 | 珠海格力精密模具有限公司 | Forming die with guarantee shaping quality effect |
| CN112238185A (en) * | 2020-09-29 | 2021-01-19 | 重庆大学 | Stamping die for forming conical thin-wall part |
-
2018
- 2018-02-07 CN CN201820209041.5U patent/CN207872820U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848315A (en) * | 2019-03-01 | 2019-06-07 | 西格迈股份有限公司 | The split type moulding stamper and forming method of special-shaped surge drum |
| CN110788193A (en) * | 2019-10-29 | 2020-02-14 | 威海林润新材料科技发展有限公司 | Controllable medium cold stamping forming process method and die structure thereof |
| CN110788193B (en) * | 2019-10-29 | 2021-04-13 | 威海林润新材料科技发展有限公司 | Controllable medium cold stamping forming process method and die structure thereof |
| CN111745052A (en) * | 2020-06-15 | 2020-10-09 | 珠海格力精密模具有限公司 | Forming die with guarantee shaping quality effect |
| CN112238185A (en) * | 2020-09-29 | 2021-01-19 | 重庆大学 | Stamping die for forming conical thin-wall part |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20220207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |