CN205498133U - Two -direction pressing carbide die - Google Patents
Two -direction pressing carbide die Download PDFInfo
- Publication number
- CN205498133U CN205498133U CN201620301144.5U CN201620301144U CN205498133U CN 205498133 U CN205498133 U CN 205498133U CN 201620301144 U CN201620301144 U CN 201620301144U CN 205498133 U CN205498133 U CN 205498133U
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- Prior art keywords
- die
- connecting hole
- section
- alloy
- hard
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Abstract
The utility model discloses a two -direction pressing carbide die, include interior round tube formwork, die crushion, go up die and lower die, interior round tube formwork sets up the top at the die crushion, last die is made plausible in tube formwork's the interior round hole including inserting and establishing, down the die through the interior round hole of die crushion insert establish including in circle tube formwork's the interior round hole, the die includes carbide drift, the base steel body, first connecting hole and second connecting hole down, carbide drift lower extreme is provided with the inlay section, the interior shrinkage pool interference fit of inlay section and the base steel body, and the inlay section is inlayed with base steel interior shrinkage pool heat physically and is connected, first connecting hole is radially seted up in the inlay section of carbide drift lower extreme, the second connecting hole is radially seted up on the base steel body. The utility model discloses can reach and improve suppression stability, eliminate the alloy obscission, avoid the drift to the harm of processing equipment, the pollution of avoiding in the pressing process drift to drop and bring the raw materials effectively improves product quality.
Description
Technical field
The utility model relates to die apparatus technical field, is specially a kind of hard-alloy mould with two-way pressing.
Background technology
In two-way powder is suppressed, its mould uses carbide inserts drift, and this drift is by bottom steel matrix
Forming with top hard alloy punch head, it is bonding with matrix that its connection has been used up alloy, and its adhering method is,
Use inorganic adhesive, be adjusted to scattered paste shape, be applied to joint portion, heating by electric cooker, cured can enter
Row following process, gap, joint portion is generally 0.2-0.3mm.In mould processing, bonding agent is cold with equipment
But medium can occur certain chemical reaction, and then pollutes cooling medium, even affects process equipment
Performance, particularly precision die process equipment, more do not allow the pollution of cooling medium, mould is slightly
When cutting profile, bonding agent is non-conductive, palpus manual removal, and then affects mould processing, due to drift alloy
Using bonding with matrix, have 0.2-0.3 gap, forcer position error is big, increases processing capacity.
Summary of the invention
The purpose of this utility model is to provide a kind of hard-alloy mould with two-way pressing, to solve the above-mentioned back of the body
The problem proposed in scape technology.
For achieving the above object, the utility model provides following technical scheme: a kind of two-way compacting hard closes
Gold mould, including inner cylinder mould, die-cushion, upper trimming die and lower punch；Described inner cylinder mould is arranged on die-cushion
Top；Described upper trimming die is plugged in the interior circular hole of inner cylinder mould；Described lower punch is interior by die-cushion
Circular hole is plugged in the interior circular hole of inner cylinder mould；Described lower punch include hard alloy punch head, steel matrix,
First connecting hole and the second connecting hole；Described hard alloy punch head lower end is provided with the section of being bumped into；Described it is bumped into
Section and the inward recess interference fit of steel matrix, and the section of being bumped into is connected with the inward recess heat edge of steel matrix；Described
First connecting hole is radially opened in the section of being bumped into of hard alloy punch head lower end；Described second connecting hole is radially
It is opened in steel matrix, and the position of the first connecting hole and the second connecting hole is corresponding.
Further, described first connecting hole and the second connecting hole it is inserted with connecting rod, and connecting rod and the
One connecting hole, the second connecting hole all use over-surplus fit structure.
Further, described in the section of being bumped into be circular, and the inward recess of steel matrix is suitable with the section of being bumped into.
Further, described die-cushion is made up of two semicircles.
Further, the length of described hard alloy punch head is more than the height of die-cushion.
Compared with prior art, the beneficial effects of the utility model are: can reach to improve compacting stability,
Eliminate alloy obscission, it is to avoid the drift harm to process equipment, it is to avoid in pressing process, drift drops
The pollution bringing raw material, is effectively improved product quality.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is lower punch structural representation of the present utility model；
Fig. 3 is hard alloy punch head structural representation of the present utility model；
Fig. 4 is steel matrix structural representation of the present utility model；
In figure: 1-inner cylinder mould, 2-die-cushion, 3-upper trimming die, 4-lower punch, 41-hard alloy punch head,
The 411-section of being bumped into, 42-steel matrix, 43-the first connecting hole, 44-the second connecting hole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technology in the utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only the utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in the utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to Fig. 1-4, a kind of embodiment that the utility model provides: a kind of two-way compacting sintered carbide die
Tool, including inner cylinder mould 1, die-cushion 2, upper trimming die 3 and lower punch 4；Described inner cylinder mould 1 is arranged on
The top of die-cushion 2；Described upper trimming die 3 is plugged in the interior circular hole of inner cylinder mould 1；Described lower punch 4
It is plugged in the interior circular hole of inner cylinder mould 1 by the interior circular hole of die-cushion 2；Described lower punch 4 includes hard
Alloy drift 41, steel matrix the 42, first connecting hole 43 and the second connecting hole 44；Described hard alloy rushes
41 lower ends are provided with the section of being bumped into 411；The described section of being bumped into 411 and the inward recess interference fit of steel matrix 42,
And the section of being bumped into 411 is connected with the inward recess heat edge of steel matrix 42；Described first connecting hole 43 is radially offered
In the section of being bumped into 411 of hard alloy punch head 41 lower end；Described second connecting hole 44 is radially opened in steel
On matrix 42, and the first connecting hole 43 is corresponding with the position of the second connecting hole 44.
As optimisation technique scheme of the present utility model: described first connecting hole 43 and the second connecting hole 44
In be inserted with connecting rod, and connecting rod all uses interference fit with first connecting hole the 43, second connecting hole 44
Structure.
As optimisation technique scheme of the present utility model: described in the section of being bumped into 411 be circular, and steel matrix 42
Inward recess suitable with the section of being bumped into 411.
As optimisation technique scheme of the present utility model: described die-cushion 2 is made up of two semicircles.
As optimisation technique scheme of the present utility model: the length of described hard alloy punch head 41 is more than die-cushion
The height of 2.
Operation principle: when the utility model is actually used, uses self-control band floating cavity dieCylinder
Type Bidirectional pressure molding jig, uses the interior die wall of zinc stearate powder lubrication inner cylinder mould 1, first according to accompanying drawing 1
Middle assembly jig, adds alloy raw material powder after taking off upper trimming die 3, then places upper trimming die 3, first carry out pre-
Pressure, then takes off die-cushion 2, then carries out Bidirectional pressure, and under 200MPa pressure, pressurize 3min is by alloy powder
Pre-molding.
During lower punch 4 makes, the section of being bumped into 411 cylindrical below top hard alloy punch head 41 is polished also
By flat alloy end face, by the section of being bumped into 411 cylindrical match grinding steel matrix 42 inward recess, the magnitude of interference by 0.04～
0.08, utilize the principle expanded with heat and contract with cold, by high-frequency heating matrix to 450 °～550 ° of temperature, it is achieved hard
Matter alloy drift 41 is connected with the heat edge of steel matrix 42；And by the first connecting hole 43 and the second connecting hole
44 pairs its, insert connecting rod wherein, connecting rod and the first connecting hole 43 and the second connecting hole 44 interference
Coordinate；Under working environment, top hard alloy punch head and bottom steel matrix fit tightly, and inlay firmly.
The bonding connected mode of current steel matrix and alloy drift can be substituted completely.
It is obvious to a person skilled in the art that the utility model is not limited to above-mentioned one exemplary embodiment
Details, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to other
Concrete form realizes the utility model.Which point therefore, no matter from the point of view of, embodiment all should be regarded as
Exemplary, and be nonrestrictive, scope of the present utility model by claims rather than on
State bright restriction, it is intended that all changes that will fall in the implication of equivalency and scope of claim
Change and include in the utility model.Any reference in claim should be considered as restriction involved
Claim.
Claims (5)
1. a hard-alloy mould with two-way pressing, including inner cylinder mould (1), die-cushion (2), upper punch
Mould (3) and lower punch (4)；It is characterized in that: described inner cylinder mould (1) is arranged on die-cushion (2)
Top；Described upper trimming die (3) is plugged in the interior circular hole of inner cylinder mould (1)；Described lower punch (4)
It is plugged in the interior circular hole of inner cylinder mould (1) by the interior circular hole of die-cushion (2)；Described lower punch (4)
Including hard alloy punch head (41), steel matrix (42), the first connecting hole (43) and the second connecting hole
(44)；Described hard alloy punch head (41) lower end is provided with the section of being bumped into (411)；The described section of being bumped into (411)
With the inward recess interference fit of steel matrix (42), and the indent of the section of being bumped into (411) and steel matrix (42)
Hole heat edge connects；Described first connecting hole (43) is radially opened in hard alloy punch head (41) lower end
In the section of being bumped into (411)；Described second connecting hole (44) is radially opened in steel matrix (42), and the
One connecting hole (43) is corresponding with the position of the second connecting hole (44).
A kind of hard-alloy mould with two-way pressing the most according to claim 1, is characterized in that: described
First connecting hole (43) and the second connecting hole (44) are inserted with connecting rod, and connecting rod is with first even
Connect hole (43), the second connecting hole (44) all uses over-surplus fit structure.
A kind of hard-alloy mould with two-way pressing the most according to claim 1, is characterized in that: described
The section of being bumped into (411) is circular, and the inward recess of steel matrix (42) is suitable with the section of being bumped into (411).
A kind of hard-alloy mould with two-way pressing the most according to claim 1, is characterized in that: described
Die-cushion (2) is made up of two semicircles.
A kind of hard-alloy mould with two-way pressing the most according to claim 1, is characterized in that: described
The length of hard alloy punch head (41) is more than the height of die-cushion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301144.5U CN205498133U (en) | 2016-04-11 | 2016-04-11 | Two -direction pressing carbide die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301144.5U CN205498133U (en) | 2016-04-11 | 2016-04-11 | Two -direction pressing carbide die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205498133U true CN205498133U (en) | 2016-08-24 |
Family
ID=56737731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620301144.5U Expired - Fee Related CN205498133U (en) | 2016-04-11 | 2016-04-11 | Two -direction pressing carbide die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205498133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097971A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | The hot pressed sintering mold and its application method of diamond-impregnated bit cutting tooth |
| CN114310191A (en) * | 2022-01-13 | 2022-04-12 | 江西江钨硬质合金有限公司 | Preparation method of spherical tooth hard alloy die |
-
2016
- 2016-04-11 CN CN201620301144.5U patent/CN205498133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097971A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | The hot pressed sintering mold and its application method of diamond-impregnated bit cutting tooth |
| CN114310191A (en) * | 2022-01-13 | 2022-04-12 | 江西江钨硬质合金有限公司 | Preparation method of spherical tooth hard alloy die |
| CN114310191B (en) * | 2022-01-13 | 2022-10-21 | 江西江钨硬质合金有限公司 | Preparation method of spherical tooth hard alloy die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160824 Termination date: 20180411 |