CN206083855U - Carbide gauge protection teeth mould for roller bit - Google Patents
Carbide gauge protection teeth mould for roller bit Download PDFInfo
- Publication number
- CN206083855U CN206083855U CN201621108467.9U CN201621108467U CN206083855U CN 206083855 U CN206083855 U CN 206083855U CN 201621108467 U CN201621108467 U CN 201621108467U CN 206083855 U CN206083855 U CN 206083855U
- Authority
- CN
- China
- Prior art keywords
- bottom punch
- die
- gauge protection
- mould
- protection teeth
- 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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- 238000007493 shaping process Methods 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000843 powder Substances 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 6
- 230000007704 transition Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model provides a carbide gauge protection teeth mould for roller bit, includes die (2), goes up stamping (3) and bottom punch (4), its characterized in that: mold core hole (21) of die (2) are through -hole always, go up forming groove (31) that are equipped with corresponding gauge protection teeth installation department (12) on stamping (3) terminal surface, are equipped with forming groove (41) of corresponding gauge protection teeth work portion (11) on bottom punch (4) terminal surface. The utility model discloses in how the powder can store up the forming groove at the bottom punch when the suppression, and the reduction gets into between the mold core pore wall of bottom punch and die, has solved the problem of double -layered powder, avoids the mould to pull the damage to can make gauge protection teeth's work portion pointed end sentence the fillet transition through the design to the forming groove shape, and avoid appearing sharp -pointed department, be difficult for falling the piece when guaranteeing the product aftertreatment, carry high yield.
Description
Technical field
This utility model is related to a kind of rifler hard alloy gauge teeth production mould.
Background technology
Rifler hard alloy gauge teeth, is provided in the tooth of the bit leg back of rifler, usually uses powder
Control golden forming method compressing.As shown in figure 1, the agent structure of gauge teeth 1 is one cylindrical, its one end is 45° angle taper
Work department 11, the other end for taper installation portion 12.
In prior art, gauge teeth mould is by die（Or title former）, upper punch and bottom punch composition, the die
Core rod hole is provided with back cone step, and upper punch and bottom punch are placed through in the core rod hole of die one on the other relatively, upper punch end
Face is provided with the shaping groove of corresponding product installation portion, and bottom punch end face is plane, with bottom punch end face and the core rod of die
The work department of the back cone step collective effect shaped article in hole.In pressing process, tiny powder is easily into the core rod of die
In hole, bottom punch adds the entrance of powder with the core rod hole wall friction of die, folder powder phenomenon easily occurs, causes mould easy-to-draw
There are sharp edges in wound, easy fracture, and the work department of the gauge teeth of molding, sharp place is easily fallen in the post processing of grinding-polishing
Block.
The content of the invention
The purpose of this utility model is to provide a kind of rifler hard alloy gauge teeth mould, is asked with solving folder powder
Topic, reduces the possibility that mould pulls fracture.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of rifler hard alloy gauge
Tooth mould, including die, upper punch and bottom punch, the core rod hole of the die is a clear opening, and upper punch end face is provided with
The shaping groove of correspondence gauge teeth installation portion, bottom punch end face is provided with the shaping groove of correspondence gauge teeth work department.
In such scheme, the shaping groove of the bottom punch is shaped as small end inverted taper type downwards.
Utility model works principle and advantage are as follows：
The core rod hole of die is changed to clear opening by this utility model, and the end face in bottom punch arranges the work of correspondence gauge teeth
Make the shaping groove in portion, compacting when powder more than can accumulate in bottom punch shaping groove in, and reduce enter bottom punch with it is recessed
Between the core rod hole wall of mould, solve the problems, such as to press from both sides powder, it is to avoid mould pulls damage.Also, by setting to shaping groove shape
Meter can make the work department tip of gauge teeth sentence round-corner transition, and avoid the occurrence of sharp place, it is ensured that be difficult during product post processing
Block, improves yield rate.
Description of the drawings
Fig. 1 is gauge teeth structural representation；
Fig. 2 is the schematic diagram of this utility model embodiment gauge teeth mould.
In the figures above：1st, gauge teeth；11st, work department；12nd, installation portion；2nd, die；21st, core rod hole；3rd, upper punch；31、
Shaping groove；4th, bottom punch；41st, shaping groove.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to this utility model：
Embodiment：Referring to shown in Fig. 1～2：
A kind of rifler hard alloy gauge teeth mould, it is shown in Figure 2, including die 2, upper punch 3 and under
Stamping 4, the core rod hole 21 of the die 2 is a clear opening, and upper punch 3 and bottom punch 4 are placed through core rod hole relatively one on the other
In 21；The end face of upper punch 3 is provided with the shaping groove 31 of correspondence gauge teeth installation portion 12, and the end face of bottom punch 4 is provided with correspondence guarantor
The shaping groove 41 of footpath tooth work department 11.The shaping groove 41 of the bottom punch 4 is shaped as small end inverted taper type downwards.
The end face of the bottom punch 4 of the present embodiment arranges the shaping groove 41 of the work department 11 of correspondence gauge teeth, in compacting
Can accumulate in more than powder in the shaping groove 41 of bottom punch, and reduce between the core rod hole wall for entering bottom punch 4 and die 2, solve
The problem of folder powder, it is to avoid mould pulls damage.Also, the work of gauge teeth can be made by the design to the shape of shaping groove 41
Portion sentences at tip round-corner transition, and avoids the occurrence of sharp place, it is ensured that block is difficult during product post processing, improves yield rate.
Above-described embodiment only to illustrate technology design of the present utility model and feature, its object is to allow and be familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes made according to this utility model spirit or modification, all should cover protection domain of the present utility model it
It is interior.
Claims (2)
1. a kind of rifler hard alloy gauge teeth mould, including die（2）, upper punch（3）And bottom punch（4）, its
It is characterised by：The die（2）Core rod hole（21）For a clear opening, upper punch（3）End face is provided with correspondence gauge teeth and installs
Portion（12）Shaping groove（31）, bottom punch（4）End face is provided with correspondence gauge teeth work department（11）Shaping groove（41）.
2. rifler hard alloy gauge teeth mould according to claim 1, it is characterised in that：The bottom punch（4）
Shaping groove（41）It is shaped as small end inverted taper type downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108467.9U CN206083855U (en) | 2016-10-10 | 2016-10-10 | Carbide gauge protection teeth mould for roller bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108467.9U CN206083855U (en) | 2016-10-10 | 2016-10-10 | Carbide gauge protection teeth mould for roller bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206083855U true CN206083855U (en) | 2017-04-12 |
Family
ID=58481420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621108467.9U Active CN206083855U (en) | 2016-10-10 | 2016-10-10 | Carbide gauge protection teeth mould for roller bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206083855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115443197A (en) * | 2020-04-24 | 2022-12-06 | 罗伯特·博世有限公司 | Compression mold and method for forming cemented carbide drill bit blades by width direction compression |
-
2016
- 2016-10-10 CN CN201621108467.9U patent/CN206083855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115443197A (en) * | 2020-04-24 | 2022-12-06 | 罗伯特·博世有限公司 | Compression mold and method for forming cemented carbide drill bit blades by width direction compression |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240613 Address after: No. 102 Changbei Street, Daji Street, Caidian District, Wuhan City, Hubei Province, 430113 Patentee after: WUHAN XINRUI ALLOY TOOLS CO.,LTD. Country or region after: China Address before: 433124 No.1 Guanghua Qianjin Road, Qianjiang City, Hubei Province Patentee before: QIANJIANG XINRUI CARBIDE TOOLS CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |