CN207343790U - A kind of powder metallurgy pulley mould - Google Patents
A kind of powder metallurgy pulley mould Download PDFInfo
- Publication number
- CN207343790U CN207343790U CN201721447803.7U CN201721447803U CN207343790U CN 207343790 U CN207343790 U CN 207343790U CN 201721447803 U CN201721447803 U CN 201721447803U CN 207343790 U CN207343790 U CN 207343790U
- Authority
- CN
- China
- Prior art keywords
- section
- shaping
- punch
- belt pulley
- cylinder
- 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
Links
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims abstract description 39
- 238000004080 punching Methods 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material 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
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Punching Or Piercing (AREA)
Abstract
The utility model discloses a kind of powder metallurgy pulley mould, including mould in shaping, in shaping outer punching, shaping it is upper in punching, be molded and next rush, be molded following two punch and forming core rod；Mould includes the cylinder that there are a chime rings in side in shaping；Outer punching includes inverted three layers of cylinder in shaping, below one layer be punch；There is chamfering at one layer of the centre round platform edge of outer punching in shaping；In shaping in punching include inverted three layers of cylinder, below one layer be punch；Being molded next punching includes three layers of cylinder；There is chamfering at one layer of the centre round platform edge for being molded next punching；Shaping following two punch be composed including three sections, above one section be profiled section, centre one section be positioning section, below one section be two layers of step；Forming core rod include three sections composition barred bodies, above one section be profiled section, profiled section is divided into two sections, one section of shape of cross section and the cydariform of the cross section complementation of belt pulley inside panel side above, one section is cylinder below, and middle one section is lead segment, below one section be spacing section.
Description
Technical field
It the utility model is related to a kind of powder smelting belt pulley mould.
Background technology
PM technique manufactures belt pulley, it is necessary to by multiple working procedures such as powder-shaping-sintering-post processings processed, wherein into
Type process is that dusty material is put into mould, compressing under pressure.
Belt pulley is made of three sections of mesa structures, and wherein the shaped cross section of one side section is gear shape, and interlude shape is
Cydariform, another side section shape is cylinder, and belt pulley endoporus is formed by two sections, and shaped cross section is round for the endoporus of gear shape side
Cylinder, opposite side have symmetrical platform in cylinder.Since belt pulley is abnormal workpieces, it is necessary to which specific molding die is pressed into
Type.
Utility model content
The purpose of this utility model seeks to provide a kind of powder metallurgy pressing die for manufacturing belt pulley.
The utility model adopts the following technical solution：
A kind of powder metallurgy pulley mould, including mould in shaping, in shaping outer punching, shaping it is upper in rush, be molded it is next rush,
It is molded following two punch and forming core rod；
Mould includes the cylinder that there are a chime rings in side, the chime rings of frustum cone side, for being shelved in the shaping
On the mould bases of press, cylinder diameter of bore is equal to belt pulley maximum gauge, that is, the maximum gauge of belt pulley cydariform interlude；
Outer punching includes inverted three layers of cylinder in the shaping, below one layer be punch, the inner space shape of punch and
Belt pulley cydariform interlude endoporus has that half cydariform of platform side is consistent, has platform side for forming belt wheel cydariform interlude endoporus
Half cydariform section, the diameter of bore of round platform is consistent with there is the outside diameter of platform side cylindrical section inside belt pulley；
Optimization, there is chamfering at one layer of the centre round platform edge of outer punching in shaping, there is guide function；
Interior punching includes inverted three layers of cylinder in the shaping, below one layer be punch, outside the outside diameter of punch and shaping are upper
The diameter of bore of punching, that is, have that the outside diameter of platform side cylindrical section is consistent inside belt pulley, the diameter of bore of round platform with
Belt pulley diameter of bore is consistent；
The next punching of shaping includes three layers of cylinder, above one layer be punch, the inner space shape and belt pulley of punch
Half cydariform of cydariform interlude shape gear side is consistent, half cydariform for forming belt wheel cydariform interlude shape gear side
Section, the diameter of bore of round platform are consistent with the maximum outside diameter of belt pulley shape gear side；
Optimization, there is chamfering at one layer of the centre round platform edge for being molded next punching；
It is described shaping following two punch be composed including three sections, above one section be profiled section, profiled section is quantity and belt pulley
The number of teeth of gear is equal, the barred body of the gear teeth complementation of shape and belt pulley, and shaping segment lenght is consistent with wheel tine length, one section middle
Positioning section, below one section be two layers of step, the diameter of bore of following two punch is consistent with belt pulley diameter of bore；
The forming core rod include three sections composition barred bodies, above one section be profiled section, profiled section is divided into two sections, above one
The cydariform of the cross section complementation of section shape of cross section and belt pulley inside panel side, for belt pulley inside panel side endoporus into
Type, below one section be cylinder, for the interior hole forming of belt pulley inner circular hole section, middle one section is lead segment, below one section be
Spacing section.
The utility model is designed according to pulley shape, suitable for the batch production of belt pulley, improves production efficiency.
Brief description of the drawings：
Attached drawing 1 is the explosive decomposition schematic diagram of the utility model；
Attached drawing 2 is the shape schematic perspective view and side view, cross-sectional view of belt pulley；
Embodiment：
The utility model is described further with reference to the accompanying drawings and detailed description：
In figure, 1 is the upper outer punching of shaping, and 11 be the chamfering at middle one layer of round platform edge, and 12 be punch, and the inner side of punch 12 is empty
Between shape have that half cydariform of platform side is identical with belt pulley cydariform interlude endoporus, for forming belt wheel cydariform interlude endoporus
There is half cydariform section of platform side；
2 be the upper interior punching of shaping, and 21 be the chamfering at middle one layer of round platform edge, and 22 be punch, the outside diameter of punch 22 and shaping
The diameter of bore of upper outer punching, that is, have the outside diameter of platform side consistent inside belt pulley；
3 be mould in shaping, and 31 be the chime rings of frustum cone side, for being shelved on press mold frame table top；
4 be the next punching of shaping, and 41 be punch, inner space shape and the belt pulley cydariform interlude shape gear of punch 41
Half cydariform of side is identical, and for half cydariform section of forming belt wheel cydariform interlude shape gear side, 42 be the next punching of shaping
The chamfering at middle one layer of round platform edge；
5 be shaping following two punch, and 51 be profiled section, and profiled section is that quantity is equal with the number of teeth of belt pulley gear, shape and skin
The barred body of the gear teeth complementation of belt wheel, shaping segment lenght is consistent with wheel tine length, and 52 be positioning section；
6 be forming core rod, and profiled section is divided into two sections, above one section 611 be shape of cross section and belt pulley inside panel side
Cross section complementation cydariform, for the interior hole forming of belt pulley inside panel side, below one section 612 be cylinder, for belt
The interior hole forming of inner circular aperture side is taken turns, middle one section 62 is lead segment；
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of powder metallurgy pulley mould, it is characterized in that rushing, being molded including interior in mould in shaping, the upper outer punching of shaping, shaping
Next punching, shaping following two punch and forming core rod；
Mould includes the cylinder that there are a chime rings in side in the shaping, and cylinder diameter of bore is equal to belt pulley maximum gauge；
Outer punching includes inverted three layers of cylinder in the shaping, below one layer be punch, the inner space shape and belt of punch
Wheel cydariform interlude endoporus has half cydariform of platform side consistent, has platform side cylindrical section inside the diameter of bore and belt pulley of round platform
Outside diameter it is consistent；
There is chamfering at one layer of the centre round platform edge of outer punching in shaping；
Interior punching includes inverted three layers of cylinder in the shaping, below one layer be punch, the outside diameter of punch and shaping are upper outer to rush
Diameter of bore, that is, have that the outside diameter of platform side cylindrical section is consistent inside belt pulley, the diameter of bore and belt of round platform
It is consistent to take turns diameter of bore；
The next punching of shaping includes three layers of cylinder, above one layer be punch, the inner space shape and belt pulley cydariform of punch
Half cydariform of interlude shape gear side is consistent, the diameter of bore of round platform and the maximum outside diameter one of belt pulley shape gear side
Cause；
There is chamfering at one layer of the centre round platform edge for being molded next punching；
It is described shaping following two punch be composed including three sections, above one section be profiled section, profiled section is quantity and belt pulley gear
The number of teeth it is equal, the barred body of the gear teeth complementation of shape and belt pulley, shaping segment lenght is consistent with wheel tine length, and middle one section is fixed
Position section, below one section be two layers of step, the diameter of bore of following two punch is consistent with belt pulley diameter of bore；
The forming core rod include three sections composition barred bodies, above one section be profiled section, profiled section is divided into two sections, above one section of horizontal stroke
The cydariform of cross section complementation of cross sectional shape and belt pulley inside panel side, below one section be cylinder, one section of centre is lead segment,
One section is spacing section below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447803.7U CN207343790U (en) | 2017-10-18 | 2017-10-18 | A kind of powder metallurgy pulley mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447803.7U CN207343790U (en) | 2017-10-18 | 2017-10-18 | A kind of powder metallurgy pulley mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207343790U true CN207343790U (en) | 2018-05-11 |
Family
ID=62353426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721447803.7U Expired - Fee Related CN207343790U (en) | 2017-10-18 | 2017-10-18 | A kind of powder metallurgy pulley mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207343790U (en) |
-
2017
- 2017-10-18 CN CN201721447803.7U patent/CN207343790U/en not_active Expired - Fee Related
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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: 20180511 |