CN206643354U - A kind of sectional die - Google Patents
A kind of sectional die Download PDFInfo
- Publication number
- CN206643354U CN206643354U CN201720327871.3U CN201720327871U CN206643354U CN 206643354 U CN206643354 U CN 206643354U CN 201720327871 U CN201720327871 U CN 201720327871U CN 206643354 U CN206643354 U CN 206643354U
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- CN
- China
- Prior art keywords
- cone cylinder
- boss
- sectional die
- face
- bottom end
- 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.)
- Expired - Fee Related
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Abstract
A kind of sectional die is the utility model is related to, it includes base and is socketed the first cone cylinder, the second cone cylinder and stamping of setting successively from outside to inside；The madial wall of first cone cylinder and the lateral wall of the second cone cylinder are tapered from the bottom to top, and taper is identical, and the bottom end face of the second cone cylinder forms annular groove with the bottom end face of the first cone cylinder；Base includes in annular groove and is adjacent to the boss of the bottom of the second cone cylinder, the height of boss is not less than the depth of groove, second cone cylinder includes at least two segmental mandrels, and the upper surface of the madial wall of segmental mandrel, the bottom end face of stamping and boss forms pressure chamber, and pressure intracavitary is placed with dusty material.The sectional die can effectively improve demoulding success rate, avoid damaging sample during demoulding, be easy to dismount and change, good economy performance.
Description
Technical field
The utility model belongs to powder metallurgy die manufacturing technology field, and in particular to a kind of sectional die.
Background technology
It is one of important molding mode that briquetting, which is embarked on journey, in powder metallurgy at present, and the mould mainly used is that cylindrical type (has
Beneficial to the demoulding), the overwhelming majority is integral type mould, and cylinder is obtained by filler, pressurization, shaping, the demoulding.The mode of the demoulding is past
Toward ejecting type or pulling-down type is used, for convenience of being stripped, lubricant can be also used in knockout course.
Using ejecting type or the stripping means of pulling-down type, in the demoulding, inwall is not to the pressure of workpiece while moment is changed into
Zero such can easily make workpiece be damaged.Scaling-off or slight crack occurs in some workpiece during demoulding, can only be by adding
Add lubricant or increase the success rate of the method raising demoulding of pressing pressure.But addition lubricant can produce to the performance of workpiece
Raw certain influence, increase pressing pressure can have higher requirement to mould steel while can reduce the mold use life-span, for
The workpiece of some materials is by the success rate that is stripped with upper type nor very well.Success for the mold releasability of other shapes
Rate is more undesirable, and desired shape can only be obtained by post-production, substantially increases cost.
Also there is dismountable mould at present but screw is often used when fixing, also easily made during demoulding dismounting screw
Into the damage of sample.
Utility model content
The utility model aims to provide a kind of sectional die, improves demoulding success rate, avoids damaging during demoulding
Sample, it is easy to dismount and changes, good economy performance.
To achieve the above object, sectional die provided by the utility model, including base and cover successively from outside to inside
Connect the first cone cylinder, the second cone cylinder and stamping of setting；The madial wall of first cone cylinder and the lateral wall of second cone cylinder are equal
It is tapered from the bottom to top, and taper is identical, the bottom end face of second cone cylinder and the bottom end face of first cone cylinder form ring
Connected in star；The base includes in the annular groove and is adjacent to the boss of the bottom of second cone cylinder, the boss
Height be not less than the depth of the groove, second cone cylinder includes at least two segmental mandrels, the madial wall of the segmental mandrel,
The bottom end face of the stamping and the upper surface of the boss form pressure chamber, and the pressure intracavitary is placed with dusty material.
In sectional die provided by the utility model, in use, each segmental mandrel is spliced into the second cone cylinder, then will
It is inserted in the first cone cylinder, and because the first cone cylinder is identical with the taper of the second cone cylinder, therefore, the second cone cylinder can be along the first cone cylinder
Axially into simultaneously clamping, it in the case of without a screw, can thus ensure each segmental mandrel of the second cone cylinder by the first cone
Cylinder is firmly fixed, simple in construction, easy to use.After each segmental mandrel clamping, bottom end face and the first cone cylinder of the second cone cylinder
Bottom end face forms annular groove, and base is provided with boss, and the boss is located in groove and is adjacent to the bottom of the second cone cylinder, due to
The height of boss is not less than the depth of groove, and therefore, after boss is adjacent to the bottom of the second cone cylinder, the second cone cylinder is i.e. by the boss
Jack up, the first cone cylinder is under external force or because the effect of its own gravity is clamped in the lateral wall of the second cone cylinder so that
Each segmental mandrel of second cone cylinder is mutually adjacent to, and avoids gap being present between the contact surface of each segmental mandrel.The boss and the second cone cylinder
Madial wall and the bottom end face of stamping form pressure chamber, the pressure intracavitary is placed with dusty material, by press by stamping along pressing
During the promotion axially inwards of chamber, its dusty material to pressure intracavitary portion is suppressed, the shape of sample after dusty material is compressing
Shape is identical with pressing the interior shape of chamber, and the section of the pressure chamber can be designed as circular, square, polygon, heart etc..Treat sample into
After type, the first cone cylinder is lifted up, after the first cone cylinder is raised, the fixation moment of its each segmental mandrel to the second cone cylinder
Disappearing, each segmental mandrel is to the pressure of sample also pop-off, and after external mold takes out, the second cone cylinder divides valve to remove, and sample can be taken off,
Complete the demoulding.
In whole knockout course, because the second cone cylinder is split-type structure, sample will not be made during taking-up
Into damage, particularly for the sample of the larger not easy mold release of some coefficients of expansion, the sectional die effectively increases sample and taken off
The success rate of mould, meanwhile, the sectional die is easy to dismount and changed, and its any portion can be replaced individually, cost-effective, warp
Ji property is good.
Preferably, the quantity of the segmental mandrel is three.
Preferably, the madial wall of first cone cylinder and the lateral wall of second cone cylinder are circular conical surface.
Preferably, the base also includes the support base located at the boss bottom.
Preferably, after first cone cylinder and the second cone cylinder clamping, the upper end of second cone cylinder protrudes from described
The upper end of first cone cylinder.
Preferably, the bottom end face of second cone cylinder is provided with the first fastener, the upper surface of the boss be provided with it is described
The second fastener that first fastener is adapted.
Preferably, in first fastener and second fastener, one is neck, and another one is mutually to be fitted with the neck
The projection matched somebody with somebody.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.
Fig. 1 is the structural representation of the sectional die of the utility model embodiment；
Fig. 2 is the structural representation of first cone cylinder of the utility model embodiment；
Fig. 3 is the structural representation of second cone cylinder of the utility model embodiment；
Fig. 4 is the structural representation of the base of the utility model embodiment.
In accompanying drawing, mark is as follows：
1 first cone cylinder
2 second cone cylinders
21 segmental mandrels
3 bases
31 boss
32 support bases
4 stampings
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
Fig. 1 is the structural representation of the sectional die of the utility model embodiment；Fig. 2 is the utility model embodiment
The structural representation of first cone cylinder；Fig. 3 is the structural representation of second cone cylinder of the utility model embodiment；Fig. 4 is this practicality
The structural representation of the base of new embodiment.As Figure 1-4, the utility model embodiment provides a kind of sectional die,
It is socketed the first cone cylinder 1, the second cone cylinder 2 and stamping 4 of setting successively including base 3 and from outside to inside；The madial wall of first cone cylinder 1
It is tapered from the bottom to top with the lateral wall of the second cone cylinder 2, and taper is identical, the bottom end face of the second cone cylinder 2 and the first cone cylinder 1
Bottom end face forms annular groove；Base 3 includes in annular groove and is adjacent to the boss 31 of the bottom of the second cone cylinder 2, convex
The height of platform 31 is not less than the depth of groove, and the second cone cylinder 2 includes at least two segmental mandrels 21, madial wall, the mould of segmental mandrel 21
The bottom end face of punching 4 and the upper surface of boss 31 form pressure chamber, and pressure intracavitary is placed with dusty material.
In the sectional die that the present embodiment is provided, in use, each segmental mandrel 21 is spliced into the second cone cylinder 2, then
It is inserted in the first cone cylinder 1, because the first cone cylinder 1 is identical with the taper of the second cone cylinder 2, therefore, the second cone cylinder 2 can be along first
Cone cylinder 1 axially into and clamping, thus can in the case of without a screw, ensure the second cone cylinder 2 each segmental mandrel
21 are firmly fixed by the first cone cylinder 1, simple in construction, easy to use.After each clamping of segmental mandrel 21, the bottom end of the second cone cylinder 2
Face and the bottom end face of the first cone cylinder 1 form annular groove, and base 3 is provided with boss 31, and the boss 31 is located in groove and pasted
The bottom of tight second cone cylinder 2, because the height of boss 31 is not less than the depth of groove, therefore, when boss 31 is adjacent to the second cone cylinder 2
Bottom after, the second cone cylinder 2 i.e. jacked up by the boss 31, the first cone cylinder 1 is under external force or due to its own gravity
Effect is clamped in the lateral wall of the second cone cylinder 2 so that each segmental mandrel 21 of the second cone cylinder 2 is mutually adjacent to, and avoids each segmental mandrel 21
Contact surface between gap be present.The bottom end face of its madial wall and stamping 4 with the second cone cylinder 2 of the boss 31, which is formed, presses
Chamber, the pressure intracavitary are placed with dusty material, and by press by stamping 4 along during the promotion axially inwards for pressing chamber, it is to pressure intracavitary portion
Dusty material suppressed, dusty material it is compressing after sample shape with pressure chamber interior shape it is identical, the pressure chamber
Section can be designed as circular, square, polygon, heart etc..After sample formation, the first cone cylinder 1 is lifted up, when the first cone
After cylinder 1 is raised, the fixation pop-off of its each segmental mandrel 21 to the second cone cylinder 2, pressure of each segmental mandrel 21 to sample
Power also pop-off, after external mold takes out, the second cone cylinder 2 divides valve to remove, and sample can be taken off, and completes the demoulding.
In whole knockout course, because the second cone cylinder 2 is split-type structure, sample will not be made during taking-up
Into damage, particularly for the sample of the larger not easy mold release of some coefficients of expansion, the sectional die effectively increases sample and taken off
The success rate of mould, meanwhile, the sectional die is easy to dismount and changed, and its any portion can be replaced individually, cost-effective, warp
Ji property is good.
In the above-described embodiments, the quantity of the segmental mandrel 21 of the second cone cylinder 2 is set to three, certainly, its quantity can also
Two or more excess-three are set to, is circumferentially with three segmental mandrels 21, the radian of each segmental mandrel 21 is relative to two knots of segmental mandrel 21
The radian of structure is small, and during demoulding, when removing each segmental mandrel 21, its influence to sample is smaller, and sample will not be caused to damage
It is bad, and the structure dismounting of three segmental mandrels 21 is relatively simple, it is easy to use.If the quantity of segmental mandrel 21 is set to more excess-three
If, in use, needing to combine multiple segmental mandrels 21, technique is complex.
In the above-described embodiments, the lateral wall of the madial wall of the first cone cylinder 1 and the second cone cylinder 2 is set to circular conical surface, this
Under kind structure design, it is placed on beneficial to by the second cone cylinder 2 in the first cone cylinder 1, position or orientation without considering placement etc., 360 °
It can be rotated at random, it is easy for installation.Certainly, the madial wall of first cone cylinder 1 is it can also be provided that polygon, point of the second cone cylinder 2
Petal 21 is triangle so that the second cone cylinder 2 can enter and step up along the medial axis of the first cone cylinder 1.
In upper embodiment, base 3 can be the only structure of boss 31, be positioned in groove, and be adjacent to the second cone cylinder 2
Bottom end face, because the height of boss 31 is not less than the height of groove, therefore, when boss 31 is positioned in planar structure, the
The bottom of one cone cylinder 1 will not make it influence pressing result because other objects disturb.Base 3 in the present embodiment also includes setting
Support base 32 in the bottom of boss 31, the support base 32 protrude from boss 31 part be located at the first cone cylinder 1 bottom lower section,
Increase base 3 and the contact area of plane below so that overall structure is more stable, while avoids other objects to first
Cone cylinder 1 interferes, and aesthetic property is also preferable.
In the above-described embodiments, after the first cone cylinder 1 and the clamping of the second cone cylinder 2, the upper end of the second cone cylinder 2 protrudes from first
The upper end of cone cylinder 1, during the demoulding, the part of the top of the second cone cylinder 2 protrusion is propped up, the upward sliding of the first cone cylinder 1 is taken out, avoided
Drive the second cone cylinder 2 to be moved during the upward sliding of first cone cylinder 1, be easy to releasing process.
In the above-described embodiments, be provided with the first fastener in the bottom end face of the second cone cylinder 2, the upper surface of boss 31 be provided with
The second fastener that first fastener is adapted, acted on, can avoided in pressing process by the clamping of the first fastener and the second fastener,
The relative position of the cone cylinder 2 of fixing lug boss 31 and second, avoid, because the relative position changes, influenceing the compacting effect of sample
Fruit.In addition, not being limited to the concrete structure of the first fastener and the second fastener, in the present embodiment, the first fastener is set to
Neck in the lower end of the second cone cylinder 2, the second fastener are set to the projection located at the upper end of boss 31, are made by neck and raised clamping
With avoiding the relative position of the cone cylinder 2 of boss 31 and second from changing, the compacting to sample is avoided to have an impact, such a clamping knot
Structure is simple, easy to use, certainly, in the present embodiment, can also be set to the first fastener located at the convex of the lower end of the second cone cylinder 2
Rise, the second fastener is set to the neck located at the upper end of boss 31.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific limit.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
- A kind of 1. sectional die, it is characterised in that be socketed successively including base and from outside to inside setting the first cone cylinder, second Cone cylinder and stamping；The madial wall of first cone cylinder and the lateral wall of second cone cylinder are tapered from the bottom to top, and taper is identical, described The bottom end face of second cone cylinder and the bottom end face of first cone cylinder form annular groove；The base includes in the annular groove and is adjacent to the boss of the bottom of second cone cylinder, the height of the boss For degree not less than the depth of the groove, second cone cylinder includes at least two segmental mandrels, the madial wall of the segmental mandrel, described The bottom end face of stamping and the upper surface of the boss form pressure chamber, and the pressure intracavitary is placed with dusty material.
- 2. sectional die according to claim 1, it is characterised in that the quantity of the segmental mandrel is three.
- 3. sectional die according to claim 1 or 2, it is characterised in that the madial wall of first cone cylinder and described The lateral wall of second cone cylinder is circular conical surface.
- 4. sectional die according to claim 1 or 2, it is characterised in that the base also includes being located at the boss The support base of bottom.
- 5. sectional die according to claim 1 or 2, it is characterised in that first cone cylinder and second cone cylinder After clamping, the upper end of second cone cylinder protrudes from the upper end of first cone cylinder.
- 6. sectional die according to claim 1 or 2, it is characterised in that the bottom end face of second cone cylinder is provided with First fastener, the upper surface of the boss are provided with the second fastener being adapted with first fastener.
- 7. sectional die according to claim 6, it is characterised in that in first fastener and second fastener, One is neck, and another one is the projection being adapted with the neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327871.3U CN206643354U (en) | 2017-03-30 | 2017-03-30 | A kind of sectional die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327871.3U CN206643354U (en) | 2017-03-30 | 2017-03-30 | A kind of sectional die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206643354U true CN206643354U (en) | 2017-11-17 |
Family
ID=60279486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720327871.3U Expired - Fee Related CN206643354U (en) | 2017-03-30 | 2017-03-30 | A kind of sectional die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206643354U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473540A (en) * | 2018-12-17 | 2019-03-15 | 深圳先进技术研究院 | A kind of ring-type molding machine and its application method |
| CN110756799A (en) * | 2019-11-29 | 2020-02-07 | 安徽工业大学 | Foamed aluminum foaming precursor mould pressing preparation facilities |
| WO2020124320A1 (en) * | 2018-12-17 | 2020-06-25 | 深圳先进技术研究院 | Annular shape molding device and method for using same |
| CN111590953A (en) * | 2020-05-29 | 2020-08-28 | 济南大学 | Powder tabletting split type die |
| CN112118959A (en) * | 2018-07-31 | 2020-12-22 | 小林工业株式会社 | Powder molding device, die for powder molding, and method for producing powder molded body |
| CN113001720A (en) * | 2021-03-17 | 2021-06-22 | 陕西科技大学 | Hot-pressing sintering mold and using method thereof |
-
2017
- 2017-03-30 CN CN201720327871.3U patent/CN206643354U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112118959A (en) * | 2018-07-31 | 2020-12-22 | 小林工业株式会社 | Powder molding device, die for powder molding, and method for producing powder molded body |
| CN109473540A (en) * | 2018-12-17 | 2019-03-15 | 深圳先进技术研究院 | A kind of ring-type molding machine and its application method |
| WO2020124320A1 (en) * | 2018-12-17 | 2020-06-25 | 深圳先进技术研究院 | Annular shape molding device and method for using same |
| CN110756799A (en) * | 2019-11-29 | 2020-02-07 | 安徽工业大学 | Foamed aluminum foaming precursor mould pressing preparation facilities |
| CN111590953A (en) * | 2020-05-29 | 2020-08-28 | 济南大学 | Powder tabletting split type die |
| CN113001720A (en) * | 2021-03-17 | 2021-06-22 | 陕西科技大学 | Hot-pressing sintering mold and using method thereof |
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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 |
Granted publication date: 20171117 Termination date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |