CN208800783U - A kind of powder metallurgy die of special-shaped axis bearing sleeve - Google Patents
A kind of powder metallurgy die of special-shaped axis bearing sleeve Download PDFInfo
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- CN208800783U CN208800783U CN201821545078.1U CN201821545078U CN208800783U CN 208800783 U CN208800783 U CN 208800783U CN 201821545078 U CN201821545078 U CN 201821545078U CN 208800783 U CN208800783 U CN 208800783U
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 16
- 238000004080 punching Methods 0.000 claims abstract description 60
- 239000000843 powder Substances 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000005242 forging Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
A kind of powder metallurgy die of special-shaped axis bearing sleeve of the utility model, including former and plunger chip die component, key are；The plunger chip die component rushes component and undershoot component on including, on rush the Shang Erchong that component includes a upper punching and is sleeved in a punching, undershoot component include it is next rush, the following two punch being sleeved in next punching and the plug being sleeved in following two punch；The powder filled-type that next punching is sleeved on former is intracavitary, it is corresponding to rush position with upper one, and have and powder filled-type chamber, a upper punching and the matched profile of bearing holder (housing, cover), it is corresponding that following two punch with upper two rushes position, and has and rush matched profile with next, plug is up-thin-low-thick step structure, upper end thin portion is rushed inner hole with upper two and is matched, and lower end thick portion has and the matched profile of following two punch.It is used cooperatively using double upper, double undershoots and former, plug, while forming shape, inner hole and step, reduced production link, improve processing efficiency and precision.
Description
Technical field
The utility model relates to the processing technologies of bearing holder (housing, cover), and in particular to form special-shaped axis bearing sleeve by PM technique
The mold of Shi Caiyong.
Background technique
Mold, in industrial production using injection molding, blow molding, squeeze out, die casting or the methods of forging and stamping, smelting, punching press, stretching molding
Various moulds and tool when required product.Powder metallurgy be produce metal powder or with metal powder (or metal powder with
The mixture of non-metal powder) it is used as raw material to produce metal material, composite material and various types through overmolding and sintering
The industrial technology of product.PM technique have significant energy conservation, material saving, have excellent performance, Product Precision is high and stability is good etc.
Series of advantages is very suitable for producing in enormous quantities.When using PM technique shaped article, the design of mold to Guan Chong
It wants.
Bearing holder (housing, cover) is matched with bearing, can reduce the assembly limitation of bearing, adjustment is elastic, and the axial direction of bearing is overcome to alter
It is dynamic.When being installed in cabinet, the processing request of cabinet can be reduced, convenient for the assembly or disassembly of bearing.The precision of bearing holder (housing, cover) is straight
The circular runout for influencing bearing is connect, for certain special-shaped axis bearing sleeve parts, because structure is complicated, Geometrical Tolerance Principle is higher, can not
Using traditional machining process, and casting or forging method, one side precision and poor dimensional stability are used, on the other hand
Process is many and diverse, time-consuming, consumptive material.
Summary of the invention
The purpose of this utility model is to provide a kind of mold for the stamping of powder molding of special-shaped axis bearing sleeve, using double upper, double
Undershoot is used cooperatively with former, plug, while forming shape and inner hole, reduces production link, improves processing efficiency and precision.
A kind of technical solution that the utility model uses for achieving the above object are as follows: powder metallurgy of special-shaped axis bearing sleeve
Mold, including former and plunger chip die component, key are；The plunger chip die component rushes component and undershoot component on including,
On rush component include it is upper one punching and be sleeved on one punching in Shang Erchong, undershoot component include it is next rush, be sleeved in next punching
Following two punch and the plug that is sleeved in following two punch；The powder filled-type that next punching is sleeved on former is intracavitary, rushes position with upper one
Corresponding, and have and rush with powder filled-type chamber, upper one and the matched profile of bearing holder (housing, cover), it is corresponding that following two punch with upper two rushes position, and
With matched profile is rushed with next, plug is up-thin-low-thick step structure, and upper end thin portion is rushed inner hole with upper two and matched, lower end
Thick portion has and the matched profile of following two punch.
In the utility model, bearing holder (housing, cover) is special-shaped step structure, comprising by upper rotary table, middle section and three Duan Fuhe of lower rotary table
At main body set, positioned at middle section periphery powder being filled out using the mold with biaurite outer circular bosses, interior step pore structure
It fills in former, being liquidated by a upper and lower punching can form in conjunction with cavity impression with biaurite outer circular bosses, pass through what is liquidated
Upper and lower two punching and taper end are inserted into upper two plugs rushed in inner hole, can mold main body set and interior stepped hole.After bearing sleeve forming
It only needs to be machined on a small quantity.
Further, next punching liquidates with a upper punching and forms bearing holder (housing, cover) with double by powder filled-type shaping cavity
The outer circular bosses of ear.It is special-shaped frustum cone structure with biaurite outer circular bosses, forms step with upper and lower rotary table.A upper and lower punching pair
It presses and passes through powder filled-type shaping cavity for the upper and lower surfaces of special-shaped outer lug boss and circumference one-pass molding.
Further, upper two punching liquidates with following two punch, and rushes inner wall by upper one and be inserted into upper two cores for rushing inner hole
Stick thin portion shaping forms rotary table and mesoporous on bearing holder (housing, cover), rushes inner wall and the plug shaft shoulder and thick portion shaping formation bearing holder (housing, cover) by next
Lower rotary table, interior step and macropore.By these plunger chip die components, the upper surface of upper rotary table, outer surface profile and by mesoporous shape
At inner wall one-pass molding, lower surface, outer surface profile and the inner wall one-pass molding formed by macropore of lower rotary table.
Further, it is also provided with special-shaped slot on bearing holder (housing, cover), in order to form the abnormity slot, is provided in next portion of rushing to summit
With special-shaped slot hole shape matched boss in circular bosses lower part outside bearing holder (housing, cover)；It is provided on following two punch matched scarce with projection shape
Mouthful；It is provided with and the matched open slot of projection shape in plug thick portion.
Further, for the ease of next punching and following two punch assembly, limit, it is arranged in next inner wall and following two punch periphery of rushing
There is matched limited step.
Further, in order to improve mould strength, prolong the service life, the cavity impression is YG20 or YG15 or YG8
Cemented carbide material.Former is Cr12MoV alloy material type chamber, Cr12MoV or 45# or 40Cr or 9CrSi alloy material die sleeve.
Further, the mold is suitable for taking the fluid pressure type or mechanical powder of two lower two and the above die carrier structure
Molding machine.
The beneficial effects of the utility model are: (1) is for complex-shaped special-shaped axis bearing sleeve part, it is mutually traditional than before
Forging, casting technique can reduce production link using mould punching molding, save material, artificial, and then reduce cost,
This mold can substantially reduce amount of machining, and shaping speed is 5-6 part per minute, significantly improve production efficiency.(2) mold is raw
The special-shaped axis bearing sleeve of production its size, surface accuracy, stability is good, even density, and quality is stablized.(3) mould structure is simple, installation
Quick and convenient, debugging is quick.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of special-shaped axis bearing sleeve；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is the integral installation distribution structure schematic diagram of mold；
Fig. 4 is the sleeve structure schematic diagram of next punching, following two punch and plug；
Fig. 5 is from the structural schematic diagram for overlooking former downwards that liquidates:
Fig. 6 is from the structural schematic diagram for looking up a upper punching upwardly that liquidates；
Fig. 7 is from the structural schematic diagram for looking up upper two punching upwardly that liquidates；
In attached drawing, 1 represents former, and 11 represent powder filled-type chamber, and 2 represent bearing holder (housing, cover), and 21 represent outer circular bosses, 211 generations
Table abnormity slot, 22 represent upper rotary table, and 23 represent mesoporous, and 24 represent lower rotary table, and 25 represent macropore, and 3 represent a upper punching, and 4 represent
Upper two punching, 5 represent next punching, and 51 represent boss, and 6 represent following two punch, and 61 represent notch, and 7 represent plug, and 71 represent thin portion, and 72
Thick portion is represented, 721 represent open slot, and 73 represent the shaft shoulder.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
A kind of powder metallurgy die of special-shaped axis bearing sleeve, referring to attached drawing, which is suitable for taking two lower two and with upper mold
The fluid pressure type or mechanical powder moulding machine of frame structure.Including former 1 and plunger chip die component, former 1 is split type structure,
Including die sleeve and cavity portion, cavity portion preferably uses YG20 or YG15 or YG8 cemented carbide material or cavity portion to use
Cr12MoV alloy material, die sleeve use Cr12MoV or 45# or 40Cr or 9CrSi alloy material.
Plunger chip die component rushes component and undershoot component on including, on rush component include it is upper one punching 3 and be sleeved on one rush 3
Interior upper two punching 4, undershoot component include next punching 5, the following two punch 6 being sleeved in next punching 5 and the core being sleeved in following two punch 6
Stick 7.Next punching 5 is sleeved in the powder filled-type chamber 11 of former 1, is corresponding with upper about 3 punching, and outer profile and powder are filled
11 Internal periphery of type chamber and a upper punching 3 outer profiles matching, three cooperate for forming bearing holder (housing, cover) 2 with biaurite outer circular bosses 21.
Following two punch 6 and upper two punching are about 4 corresponding, and with 5 matched profiles of next punching, plug 7 is up-thin-low-thick step structure,
Upper end thin portion 71 is matched with 4 inner holes of upper two punching, and lower end thick portion 72 has and the matched profile of following two punch 6.Upper two punching 4 and following two punch
6 liquidate, and by upper 3 inner walls of punching and are inserted into rotary table 22 on 7 thin portion of plug, the 71 shaping formation bearing holder (housing, cover) 2 of 4 inner holes of upper two punching
Formed with mesoporous 23, by 5 inner walls of next punching and 7 shaft shoulder 73 of plug and 72 shaping of thick portion the lower rotary table 24 of bearing holder (housing, cover) 2, macropore 25 and
Interior step.
It is next punching 5 top have molding the outer 21 lower part abnormity slot 211 of circular bosses of bearing holder (housing, cover) 2 boss 51, boss 51 and
The shape of special-shaped slot 211 matches.It is corresponding, have and the matched notch 61 of 51 shape of boss, 7 thick portion of plug on following two punch 6
72 have and the matched open slot 721 of 51 shape of boss.The special-shaped slot for using this structure that can go out with one-pass molding on bearing holder (housing, cover)
Hole.
When it is implemented, former 1, next 5, plug 7 that rushes rise to corresponding position simultaneously, powder is packed into 1 powder of former
In last filled-type chamber 11, a then upper punching 3, upper two punchings, 4 decline, liquidate compacting, after compression moulding, starts to demould.Product
Demoulding sequence are as follows: a upper punching 3, upper two punching 4 pull up retracts simultaneously, and lower die 1 is first retracted into 6 upper surface position of following two punch, right
Next 5 drop-down of punching is retracted into 6 upper surface position of following two punch afterwards, last plug 7 is pulled down to 6 endface position of following two punch.Demoulding terminates
Afterwards, automatic feeding system releases green compact, and hence into the production of next green compact, the green compact of release enters next process.
Claims (10)
1. a kind of powder metallurgy die of special-shaped axis bearing sleeve, including former (1) and plunger chip die component, it is characterised in that；It is described
Plunger chip die component rushes component and undershoot component on including, on to rush component include that a upper punching and is sleeved in Shang Yichong (3) (3)
Upper two punching (4), undershoot component include next punching (5), the following two punch (6) being sleeved in next punching (5) and are sleeved on following two punch (6)
Interior plug (7)；Next punching (5) is sleeved in the powder filled-type chamber (11) of former (1), is corresponding with upper punching (3) position, and
With with powder filled-type chamber (11), Shang Yichong (3) and bearing holder (housing, cover) (2) matched profile, following two punch (6) and it is upper two punching (4) position
Set correspondence, and have with next punching (5) matched profile, plug (7) is up-thin-low-thick step structure, upper end thin portion (71) and
Upper two punchings (4) inner hole matching, lower end thick portion (72) have and following two punch (6) matched profile.
2. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 1, it is characterised in that: next punching
(5) it liquidates with a upper punching (3) and forms bearing holder (housing, cover) (2) with biaurite outer circular bosses by chamber (11) shaping of powder filled-type
(21).
3. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 1, it is characterised in that: upper two punching
(4) it liquidates with following two punch (6), and whole by plug (7) thin portion (71) of upper two punchings (4) inner hole of Shang Yichong (3) inner wall and insertion
Shape forms rotary table (22) and mesoporous (23) on bearing holder (housing, cover) (2), by next punching (5) inner wall and plug (7) shaft shoulder (73) and thick portion
(72) shaping forms rotary table (24), interior step and macropore (25) under bearing holder (housing, cover) (2).
4. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 3, it is characterised in that: next punching
(5) top have molding bearing holder (housing, cover) (2) outer circular bosses (21) lower part abnormity slot (211) boss (51), boss (51) with it is different
The shape of shape slot (211) matches.
5. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 4, it is characterised in that: the following two punch
(6) have and the matched notch of boss (51) shape (61) on.
6. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 5, it is characterised in that: the plug (7)
Thick portion (72) has and the matched open slot of boss (51) shape (721).
7. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 1, it is characterised in that: next punching
(5) inner wall and following two punch (6) periphery are provided with matched limited step.
8. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 1, it is characterised in that: the former (1)
Type chamber is YG20 or YG15 or YG8 cemented carbide material.
9. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 1, it is characterised in that: the former (1)
For Cr12MoV alloy material type chamber, Cr12MoV or 45# or 40Cr or 9CrSi alloy material die sleeve.
10. a kind of powder metallurgy die of special-shaped axis bearing sleeve according to claim 1, it is characterised in that: the mold is suitable
For taking the fluid pressure type or mechanical powder moulding machine of two lower two and the above die carrier structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545078.1U CN208800783U (en) | 2018-09-21 | 2018-09-21 | A kind of powder metallurgy die of special-shaped axis bearing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545078.1U CN208800783U (en) | 2018-09-21 | 2018-09-21 | A kind of powder metallurgy die of special-shaped axis bearing sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN208800783U true CN208800783U (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821545078.1U Active CN208800783U (en) | 2018-09-21 | 2018-09-21 | A kind of powder metallurgy die of special-shaped axis bearing sleeve |
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| CN (1) | CN208800783U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871430A (en) * | 2022-04-07 | 2022-08-09 | 南通鸿明新材料有限公司 | Forming die and forming process for bimetal oil-retaining bearing |
| CN115812446A (en) * | 2022-11-28 | 2023-03-21 | 扬州保来得科技实业有限公司 | Clutch blocks for high-end garden tools and molds for making the clutch blocks |
| CN118417560A (en) * | 2024-07-01 | 2024-08-02 | 常州市知宇粉末冶金有限公司 | Hole punching equipment for oil-retaining bearing |
-
2018
- 2018-09-21 CN CN201821545078.1U patent/CN208800783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871430A (en) * | 2022-04-07 | 2022-08-09 | 南通鸿明新材料有限公司 | Forming die and forming process for bimetal oil-retaining bearing |
| CN115812446A (en) * | 2022-11-28 | 2023-03-21 | 扬州保来得科技实业有限公司 | Clutch blocks for high-end garden tools and molds for making the clutch blocks |
| CN118417560A (en) * | 2024-07-01 | 2024-08-02 | 常州市知宇粉末冶金有限公司 | Hole punching equipment for oil-retaining bearing |
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