CN107671283A - The powder metallurgy forming equipment of electric machine casing - Google Patents
The powder metallurgy forming equipment of electric machine casing Download PDFInfo
- Publication number
- CN107671283A CN107671283A CN201711166521.4A CN201711166521A CN107671283A CN 107671283 A CN107671283 A CN 107671283A CN 201711166521 A CN201711166521 A CN 201711166521A CN 107671283 A CN107671283 A CN 107671283A
- Authority
- CN
- China
- Prior art keywords
- monomer
- external mold
- core
- electric machine
- machine casing
- 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.)
- Pending
Links
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 116
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 21
- 238000007493 shaping process Methods 0.000 claims description 7
- 235000019994 cava Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/004—Filling molds with powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
Abstract
The invention belongs to technical field of motor manufacture, the powder metallurgy forming equipment of more particularly to a kind of electric machine casing, including workbench, described workbench is provided with die unit, described die unit includes core, the peripheral ring of core is provided with least two external mold monomers, each external mold monomer closes up each other encloses the forming cavity to be formed and accommodate metallurgical powder with core afterwards, at least two grooves are respectively equipped with each external mold monomer, the notch of groove on same external mold monomer points to consistent, external mold driver element drives each external mold monomer to be moved respectively along the path pointed to parallel to its groove notch and realizes closing up or separating for external mold monomer.Die unit can effectively avoid blank caused by mould separation from damaging, adapt to the making of various complex motor housings, the dimensional accuracy and presentation quality of electric machine casing can also be greatly improved, the cutting of material is effectively reduced, manufacturing cost is reduced while product quality is lifted.
Description
Technical field
The invention belongs to technical field of motor manufacture, the powder metallurgy forming equipment of more particularly to a kind of electric machine casing.
Background technology
Electric machine casing forms the casting techniques such as traditional hand moulding, die casting moulding, lost foam forming, these techniques
Have the following disadvantages：The efficiency of hand moulding is low, unstable product quality；Die casting moulding limits the selection of product material, and
Requirement to equipment such as press is high so that the cost of investment of mould and equipment is high；Lost foam forming then complex process, is unsuitable for
Smallclothes volume production, and the cost of investment of mould and equipment is also very high.In the prior art, the periphery of electric machine casing is typically provided with multigroup dissipate
Backing, because the arragement direction of each group fin is different so that the main body of fin and electric machine casing is difficult to take off when together casting
Mould, fin easily deforms in the demoulding, so as to influence the final product quality of electric machine casing.
The content of the invention
It is an object of the invention to provide a kind of powder metallurgy forming equipment of electric machine casing, production efficiency is high and is applicable model
Enclose wide.
To realize object above, the technical solution adopted by the present invention is：A kind of powder metallurgy forming equipment of electric machine casing,
Including workbench, described workbench is provided with die unit, and described die unit includes core, the peripheral ring of core
Provided with least two external mold monomers, each external mold monomer closes up each other encloses the forming cavity to be formed and accommodate metallurgical powder with core afterwards,
It is respectively equipped with least two grooves on each external mold monomer, the notch of the groove on same external mold monomer points to consistent, external mold
Driver element drives each external mold monomer to be moved respectively along the path pointed to parallel to its groove notch and realizes closing up for external mold monomer
Or separation.
Prior art is compared, and the present invention has following technique effect：Die unit can be avoided effectively caused by mould separation
Blank damages, and adapts to the making of various complex motor housings, moreover it is possible to greatly improve the dimensional accuracy and presentation quality of electric machine casing.
After the shaping of powder pressing mold, the electric machine casing that acquisition tissue is more densified by vacuum-sintering is carried out to shaping blank, is effectively reduced
The cutting of material, manufacturing cost is reduced while product quality is lifted.
Brief description of the drawings
The content expressed by each accompanying drawing of this specification and the mark in figure are briefly described below：
Fig. 1,2 are schematic diagrames of the invention；
Fig. 3 is diagrammatic cross-section when die unit is in matched moulds state；
Fig. 4 is diagrammatic cross-section when framed monomer is in disassembled form；
Fig. 5 is diagrammatic cross-section when external mold monomer is in disassembled form.
In figure：10. workbench, 20. die units, 21. cores, 22. external mold monomers, 22a. locked mode monomers, 221. is recessed
Groove, 222. land areas, 223. matched moulds steps, 23. framed monomers, 231. recesses, 24. forming cavities, 25. pressing molds, the driving of 30. external molds
Unit, 31. driving plates, 32. connecting rods, 40. framed driver elements, 50. pressed compact units, 51. pressing plates, 52. depression bars, 60., which connect base, puts down
Platform.
Embodiment
Below in conjunction with the accompanying drawings, by the description to embodiment, the embodiment of the present invention is made further specifically
It is bright.
A kind of powder metallurgy forming equipment of electric machine casing, as Figure 1-5, including workbench 10, described work
Platform 10 is provided with die unit 20, and described die unit 20 includes core 21, and the peripheral ring of core 21 is provided with least two
External mold monomer 22, each external mold monomer 22 closes up each other encloses the forming cavity 24 to be formed and accommodate metallurgical powder with core 21 afterwards, each
It is respectively equipped with least two grooves 221 on individual external mold monomer 22, the notch of the groove 221 on same external mold monomer 22 points to one
Cause, external mold driver element 30 drives each external mold monomer 22 to move realization along the path pointed to parallel to its notch of groove 221 respectively
External mold monomer 22 closes up or separated.Forming cavity 24 is consistent with the electric machine casing shape after shaping, the interior die face of external mold monomer 22
It is consistent with the periphery wall of electric machine casing, the groove 221 on external mold monomer 22 is used for the fin formed on electric machine casing periphery, core
Mould 21 forms the internal chamber of electric machine casing.Because the notch of the groove 221 on each external mold monomer 22 points to consistent and external mold
The motion path of monomer 22 is parallel with the notch sensing of groove 221, so after the completion of the compacting of electric machine casing blank, can effectively keep away
Exempt from external mold monomer 22 to interfere with fin in separation, so as to ensure the final product quality of electric machine casing.
It should be noted that as shown in Figure 1, 2, the axle center of die unit 20 can vertically or horizontally be arranged, according to use
Demand can also be diagonally disposed.The arrangement of die unit 20 has no effect on its shaping function.
Preferably, as shown in Fig. 3,5, the section of the external mold monomer 22 is integrally domed, and external mold monomer 22 is located at core
Two end faces in circumference are land area 222, and the overall radial arrangement along core 21 of land area 222, external mold monomer 22, which is in, to be closed
Its land area 222 abuts connection when holding together state, and described external mold monomer 22 is arranged in pairs and at least provided with four, described
External mold monomer 22 includes at least one set of locked mode monomer 22a being oppositely arranged, and locked mode monomer 22a land area 222 is close to core
21 places side are smaller than the spacing away from the place side of core 21.It should be noted that external mold monomer 22 has various shapes,
For ease of narration, section is defined as locked mode monomer 22a in the external mold monomer 22 of closing in shape here.Locked mode monomer 22a matched moulds
Face 222 can ensure external mold 22 stability under matched moulds state of monomer as the latch-up structure of wedge shape.That is, due to locked mode
Monomer 22a section is in closing in shape so that when external mold monomer 22 is in closed configuration, it is necessary to first drive locked mode monomer 22a to
After gap being present between the external mold monomer 22 of lateral displacement, locked mode monomer 22a and disposed adjacent, neighbouring locked mode monomer can be released
The lock-out state of the external mold monomer 22 of 22a arrangements, the external mold monomers 22 of neighbouring locked mode monomer 22a arrangements could displacement laterally,
So as to realize the separation of external mold.
Further, the land area 222 of the external mold monomer 22 is provided with matched moulds step 223, and matched moulds step 223 is and core
The joint face that 21 radial direction is arranged into angle.Land area 222 is engaged with matched moulds step 223 possesses positioning action, i.e., in matched moulds
When, it can guarantee that external mold monomer 22 forms complete closed circular mould, form the forming cavity 24 for meeting design requirement.
Preferably, as Figure 1-4, the peripheral ring of described external mold monomer 22 is provided with least two framed monomers 23, respectively
The inwall of framed monomer 23 caves inward the recess 231 to be formed and be consistent with the outer wall of external mold monomer 22, and each framed monomer 23 is each other
It is connected after closing up with external mold monomer 22, framed driver element 40 drives each framed monomer 23 to be opened along parallel to its recess 231
Closing up or separating for framed monomer 23 is realized in mouthful path pointed to motion.After framed monomer 23 closes up, external mold monomer 22 will be wrapped up,
So as to be further ensured that the positioning of external mold monomer 22, avoid external mold monomer 22 loosen when compressing caused by motor casing
Body deforms.The motion path of framed monomer 23 points to arrangement parallel to the opening of recess 231, is avoided that module monomer 23 is separating
When interfered with external mold monomer 22, so as to ensure the durability of die unit 20, lift the reliability of former.
It is in the form of a column and is connected with workbench 10 specifically, described core 21 is overall, the section of external mold monomer 22 is in integrally
Arch, the radially adjacent side of each framed monomer 23 are connected, the binding face of two neighboring framed monomer 23 with it is two neighboring outer
The binding face dislocation arrangement of mould monomer 22.The connection and reasonable arrangement of die unit 20, as shown in figure 3, the binding face of framed monomer 23 with
The binding face dislocation arrangement of external mold monomer 22, can prevent die unit 20 from forming insertion forming cavity 24 and outside gap, also
So that the uniform force of die unit 20, so as to lift reliability of the die unit when compressing.
Preferably, the powder metallurgy forming equipment of electric machine casing includes being used for the pressed compact unit 50 for suppressing blank, pressed compact list
Member 50 includes being arranged symmetrically in the pressing mold 25 at the both ends of die unit 20, and the shape of pressing mold 25 matches with forming cavity 24, pressing mold 25
By the axial movement of power unit drives edge core 21.When it is implemented, at core 21, external mold monomer 22, framed monomer 23
After the appropriate metallurgical powder of filling in matched moulds state, forming cavity 24, the power unit driving move toward one another of pressing mold 25 just can realize electricity
Machine shell blank it is compressing.
Specifically, described external mold driver element 30 includes driving plate 31, driving plate 31 is provided with connecting rod 32, each company
Bar 32 is connected with an external mold monomer 22 respectively, and pressed compact unit 50 includes pressing plate 51, and corresponding shaping chamber 24 is provided with pressing plate 51
Depression bar 52, the free end of depression bar 52 are fixedly connected with pressing mold 25, and workbench 10 passes through provided with voltage supply bar 52 and pressing mold 25
Pressed compact hole, the shape in the pressed compact hole are consistent with pressing mold 25, and driving plate 31 is provided with the hole that voltage supply base unit 50 passes through.
Preferably, what the powder metallurgy forming equipment of electric machine casing also included being used for accepting blank connects base platform 60, connects base
Platform 60 is driven axially or radially reciprocating motion of the side along core 21 in the free end of core 21 by power unit, and described is outer
Mould driver element 30 drives all external mold monomers 22 together along the axial movement of core 21.In the embodiment shown in fig. 1, base is connect
Side of the platform 60 in blank forming process above core 21, in the embodiment shown in Figure 2, connects base platform 60 in base
Expect the left side for being located at core 21 in forming process.It should be noted that connecing, base platform 60 should be located at external mold monomer 22 and external mold drives
The avoidance opening position of the motion path of moving cell 30, to ensure the smooth demoulding of blank.
As shown in figure 1, in the specific implementation, after each external mold monomer 22 closes up above core 21, in external mold driver element
Together the motion close to core 21 is done under 30 driving along the axial direction of core 21 and encloses to form forming cavity 24 with core 21, then
Framed driver element 40 drives framed monomer 23 to wrap external mold monomer 22, and underlying pressing mold 25 is therewith in power unit
Driving under shift up to the assigned position of forming cavity 24, restart powder feeder equipment and powder be delivered to forming cavity 24
It is interior.
After charging, pressed compact unit 50 is suppressed the powder of filling in forming cavity 24, and pressurize certain time makes powder
After end is pressed shaping, pressed compact unit 50 remove press and be moved to original position, then start framed driver element 40 drive it is framed
Monomer 23 separates with external mold monomer 22.
External mold monomer 22 and the compressing electric machine casing blank of sandwiched in the inner in closed configuration, then in external mold
The motion away from core 21 together is done along the axial direction of core 21 in the presence of driver element 30, departs from core 21 and realizes motor
The preliminary demoulding of shell blank.After external mold the monomer 22 tentatively demoulding, that is, external mold monomer 22 and electric machine casing blank are located at
During 21 top of core, connect base platform 60 and be moved between external mold monomer 22 and core 21, then external mold driver element 30 drives again
External mold monomer 22 separates, and electric machine casing blank of the original clip in external mold monomer 22 is fallen on base platform 60 is connect, final real
The demoulding of existing electric machine casing blank, completes the compressing of electric machine casing blank.
After the electric machine casing blank of compression molding is carried out into vacuum-sintering, its tissue will be more densified, and can be greatly improved
The dimensional accuracy and presentation quality of electric machine casing, the electric machine casing for the complexity that is particularly suitable for use in make, and can effectively reduce cutting for material
Cut, manufacturing cost is reduced while product quality is lifted.
Claims (8)
1. a kind of powder metallurgy forming equipment of electric machine casing, including workbench (10), described workbench are set on (10)
There is die unit (20), it is characterised in that：Described die unit (20) includes core (21), and the peripheral ring of core (21) is provided with
At least two external mold monomers (22), enclose to be formed and accommodate metallurgical powder with core (21) after each external mold monomer (22) is closed up each other
Forming cavity (24), is respectively equipped with least two grooves (221) on each external mold monomer (22), on same external mold monomer (22)
The notch of groove (221) points to unanimously, and external mold driver element (30) drives each external mold monomer (22) respectively along parallel to its groove
(221) closing up or separating for external mold monomer (22) is realized in the path motion that notch points to.
2. the powder metallurgy forming equipment of electric machine casing according to claim 1, it is characterised in that：The external mold monomer
(22) section is integrally domed, and two end faces that external mold monomer (22) is located in core circumference are land area (222), land area
(222) the overall radial arrangement along core (21), its land area (222) abuts when external mold monomer (22) is in closed configuration
Connection, described external mold monomer (22) are arranged in pairs and at least provided with four, and described external mold monomer (22) includes at least one set
The locked mode monomer (22a) being oppositely arranged, the land area (222) of locked mode monomer (22a) is in the spacing close to side where core (21)
Less than the spacing away from side where core (21).
3. the powder metallurgy forming equipment of electric machine casing according to claim 2, it is characterised in that：The external mold monomer
(22) land area (222) is provided with matched moulds step (223), and matched moulds step (223) is to be arranged with the radial direction of core (21) into angle
Joint face.
4. the powder metallurgy forming equipment of the electric machine casing according to claim any one of 1-3, it is characterised in that：Described
The peripheral ring of external mold monomer (22) is provided with least two framed monomers (23), and the inwall of each framed monomer (23) caves inward to be formed
The recess (231) being consistent with the outer wall of external mold monomer (22), each framed monomer (23) are supported after closing up each other with external mold monomer (22)
By connection, the path that framed each framed monomer (23) of driver element (40) driving is pointed to along being open parallel to its recess (231) is transported
It is dynamic to realize closing up or separating for framed monomer (23).
5. the powder metallurgy forming equipment of electric machine casing according to claim 4, it is characterised in that：Described core (21)
Entirety is in the form of a column and is connected with workbench (10), and external mold monomer (22) section is integrally domed, the footpath of each framed monomer (23)
It is connected to adjacent side, the binding face of two neighboring framed monomer (23) is wrong with the binding face of two neighboring external mold monomer (22)
Position arrangement.
6. the powder metallurgy forming equipment of electric machine casing according to claim 5, it is characterised in that：Including for accepting base
Material connects base platform (60), connect base platform (60) by power unit driving core (21) free end side along core (21)
Axially or radially move back and forth, described external mold driver element (30) drives all external mold monomers (22) together along core (21)
It is axially moved.
7. the powder metallurgy forming equipment of electric machine casing according to claim 5, it is characterised in that：Including for suppressing base
The pressed compact unit (50) of material, pressed compact unit (50) include the pressing mold (25) for being arranged symmetrically in die unit (20) both ends, pressing mold
(25) shape matches with forming cavity (24), pressing mold (25) by power unit drives edge core (21) axial movement.
8. the powder metallurgy forming equipment of electric machine casing according to claim 7, it is characterised in that：Described external mold driving
Unit (30) includes driving plate (31), and driving plate (31) is provided with connecting rod (32), each connecting rod (32) respectively with an external mold
Monomer (22) is connected, and described pressed compact unit (50) includes pressing plate (51), and corresponding shaping chamber (24) is provided with pressure on pressing plate (51)
Bar (52), the free end of depression bar (52) are fixedly connected with pressing mold (25), and workbench (10) is provided with voltage supply bar (52) and pressing mold
(25) the pressed compact hole passed through, the shape in the pressed compact hole are consistent with pressing mold, and driving plate (31) passes through provided with voltage supply base unit (50)
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166521.4A CN107671283A (en) | 2017-11-21 | 2017-11-21 | The powder metallurgy forming equipment of electric machine casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166521.4A CN107671283A (en) | 2017-11-21 | 2017-11-21 | The powder metallurgy forming equipment of electric machine casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107671283A true CN107671283A (en) | 2018-02-09 |
Family
ID=61149790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711166521.4A Pending CN107671283A (en) | 2017-11-21 | 2017-11-21 | The powder metallurgy forming equipment of electric machine casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107671283A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687948A (en) * | 2018-05-28 | 2018-10-23 | 浙江泰华集成家居科技有限公司 | The demoulding mechanism of upper die body in gypsum decorative object shaping mould |
| CN108724441A (en) * | 2018-05-29 | 2018-11-02 | 浙江泰华集成家居科技有限公司 | The open type shaping mould of gypsum lampshade |
| CN111730055A (en) * | 2020-07-24 | 2020-10-02 | 福建省长汀金龙稀土有限公司 | Profiling die |
| CN112893836A (en) * | 2021-01-21 | 2021-06-04 | 楼浙清 | Powder metallurgy is with pressed compact device that has automatic demoulding structure |
| CN113333746A (en) * | 2021-07-21 | 2021-09-03 | 浙江中平粉末冶金有限公司 | Stamping equipment for powder metallurgy |
| CN114799166A (en) * | 2022-05-11 | 2022-07-29 | 余姚市盛达粉末冶金有限公司 | Powder metallurgy production system and process |
| CN114799166B (en) * | 2022-05-11 | 2024-04-26 | 余姚市盛达粉末冶金有限公司 | Powder metallurgy production system and process |
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