CN108746627A - One kind is metal powder injection molded to use shaping dies - Google Patents
One kind is metal powder injection molded to use shaping dies Download PDFInfo
- Publication number
- CN108746627A CN108746627A CN201810545520.9A CN201810545520A CN108746627A CN 108746627 A CN108746627 A CN 108746627A CN 201810545520 A CN201810545520 A CN 201810545520A CN 108746627 A CN108746627 A CN 108746627A
- Authority
- CN
- China
- Prior art keywords
- die holder
- cope plate
- metal powder
- injection molded
- screw thread
- 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
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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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of metal powder injection molded shaping dies, are related to metal powder injection molded technical field.The present invention includes upper die holder and lower die holder, and one surface of upper die holder is combined with cope plate by stop screw, lower template is installed at the top of lower die holder；One surface of cope plate offers circular trough, and circular trough inner surface is combined with Mold Ring with Screw Thread, is fixedly mounted sprocket drive spindle at the top of Mold Ring with Screw Thread, gear shaft week side be combined with bearing, bearing week side fixed with cope plate, cope plate inner surface offers gear cavity.The present invention passes through the design to mechanism in mold, thread core and mold rotation are coordinated, driving device drives the rotation of thread core ring by axis and gear drive, to reach the demoulding of active screw thread, the injection molding machine for having screw thread demolding structure without cooperation uses, demoulding need not be more dismantled, larger improves production efficiency.
Description
Technical field
The invention belongs to metal powder injection molded technical field, more particularly to it is a kind of it is metal powder injection molded at
Shape mold.
Background technology
Modern plastics injection molding technology is introduced field of powder metallurgy and is formed by Metal Injection Molding
One near net-shaped forming technique of novel powder metallurgy.Its basic craft course is：It is first that solid powder is equal with organic binder
Even kneading, (~150 DEG C) inject solidified forming in die cavity with injection machine under heating plasticizing state after granulation, then use
Chemistry or the method for thermal decomposition are removed the binder in base is shaped, and most obtain final products through sintering densification afterwards.With tradition
The features such as technique is compared, and is had precision height, even tissue, is had excellent performance, and production cost is low, product is widely used in e-mail
Cease engineering, biomedical devices, office equipment, automobile, machinery, hardware, sports apparatus, timepiece industry, weapons and aerospace etc.
Industrial circle.Therefore in order to save production stage, the one-time formed workpiece of screw thread is much needed all to add using metal injection molded
Work, and currently, it is not very ripe, the faster method of processing efficiency that injection molding workpiece after thread forming, which demoulds this block technology also,
It is screw thread demoulding to be carried out by angie type injector threaded demoulding mechanism, and mold itself does not have active screw thread demoulding functions, work
The demoulding of part screw thread generally requires mutual disassembly's thread core ring or thread core, then carries out hand-stripping, and production efficiency is very low.
Invention content
The purpose of the present invention is to provide a kind of metal powder injection molded shaping dies, by mechanism in mold
Design, driving device drive thread core ring to rotate by axis and gear drive, to reach the demoulding of active screw thread, solve existing
Mold itself do not have active screw thread demoulding functions, the demoulding of workpiece screw thread generally requires mutual disassembly's thread core ring or screw-type
Core, then hand-stripping is carried out, the very low problem of production efficiency.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of metal powder injection molded shaping dies, including upper die holder and lower die holder, the upper die holder
One surface is combined with cope plate by stop screw, and lower template is installed at the top of the lower die holder；
One surface of the cope plate offers circular trough, and the circular trough inner surface is combined with Mold Ring with Screw Thread, the screw thread
Type ring is used for straight forming workpiece outer ring screw thread, according to the one-time formed screw thread quantity setting circular trough of actual production and screw-type
The quantity of ring, is fixedly mounted sprocket drive spindle at the top of the Mold Ring with Screw Thread, the gear shaft week side be combined with bearing, the bearing
All sides are fixed with cope plate, and the cope plate inner surface offers gear cavity, and described gear shaft one end is fixed with the first cone tooth
Wheel, one surface of the cope plate are fixed with driving device, and the driving device is motor, and the driving device output end is fixed
There are transmission shaft, the transmission shaft perimeter surface to be installed with the second bevel gear being meshed with first bevel gear, the bevel gear
It is all made of key connection with axis connection mode, is positioned by axle sleeve；
One surface of the upper die holder offer with the matched counter sink of stop screw, the upper die holder is opposite with cope plate
One surface offers spring fixed hole, the stop screw perimeter surface and is equipped with spring positioned at spring fixed hole internal sleeve.
Further, the lower template inner surface is combined with punch insert, and the punch insert end shape is according to actual production
It needs to be arranged, a lower die holder surface opposite with lower template opens up fluted, and the groove inner surface is combined with liftout plate, institute
Punch insert bottom end is stated to be fixedly connected with liftout plate.
Further, one surface of the lower template offers ejection hole, and the ejection hole is run through with groove, the ejection hole
Size is specifically set according to the thimble size of ejecting mechanism when actual production, and liftout plate is pushed for thimble.
Further, one surface of the lower die holder is fixed with guide post, and the guide post perimeter surface coordinates with lower template, it is described on
One surface of template offers and the matched column pin hole of guide post.
Further, the Mold Ring with Screw Thread inner surface offers screw thread cavity, is used for straight forming workpiece outer ring screw thread, institute
It is circular ring shape mechanism to state Mold Ring with Screw Thread.
Further, described gear shaft one end extends through to inside gear cavity, and the transmission shaft surface turns with cope plate
Dynamic cooperation, the upper mold base inner surface are coordinated by the way that bearing is fixedly mounted with transmission shaft at transmission shaft end.
Further, one surface of the upper die holder offers positioning guide column hole, for being positioned with cope plate 4.
Further, one surface of the upper die holder offers installation threaded hole, for being fixedly mounted with injection molding machine.
The invention has the advantages that：
1, the present invention is coordinated thread core and mold rotation by the design to mechanism in mold, and driving device passes through
Axis and gear drive drive the rotation of thread core ring, to reach the demoulding of active screw thread, have screw thread demolding structure without cooperation
Injection molding machine uses, and need not more dismantle demoulding, larger improves production efficiency.
2, the present invention can have by stop screw and spring structure design between upper die holder and cope plate when molding demoulding
One section of buffer distance plays a protective effect to workpiece thread segment, improves yield rate and production effect.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of metal powder injection molded structural schematic diagram with shaping dies of the present invention；
Fig. 2 is the partial enlarged view at A in Fig. 1.
In attached drawing, parts list represented by the reference numerals are as follows：
1- upper die holders, 2- lower die holders, 3- stop screws, 4- cope plates, 5- lower templates, 6- driving devices, 7- springs, 101-
Counter sink, 102- positioning guide columns hole, 103- install threaded hole, 201- liftout plates, and 202- ejects hole, 203- guide posts, 401- circles
Slot, 402- Mold Ring with Screw Thread, 403- gear shafts, 404- bearings, 405- gear cavities, 406- first bevel gears, 407- transmission shafts, 408-
Second bevel gear, 409- column pin holes, 501- punch inserts.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -2, the present invention is a kind of metal powder injection molded shaping dies, including 1 He of upper die holder
Lower die holder 2,1 one surface of upper die holder are combined with cope plate 4 by stop screw 3, and 2 top of lower die holder is installed with lower template 5；
4 one surface of cope plate offers circular trough 401, and 401 inner surface of circular trough is combined with Mold Ring with Screw Thread 402, screw-type
Ring 402 is used for straight forming workpiece outer ring screw thread, according to the one-time formed screw thread quantity setting circular trough 401 of actual production and spiral shell
The quantity of line type ring 402, the quantity being arranged in view are two, and sprocket drive spindle 403, tooth is fixedly mounted in 402 top of Mold Ring with Screw Thread
403 weeks sides of wheel shaft are combined with bearing 404, and 404 weeks sides of bearing are fixed with cope plate 4, and 4 inner surface of cope plate offers gear
Chamber 405,402 one end of gear shaft are fixed with first bevel gear 406, and 4 one surface of cope plate is fixed with driving device 6, driving device 6
For motor, 6 output end of driving device is fixed with transmission shaft 407, and 407 perimeter surface of transmission shaft is installed with and first bevel gear
406 second bevel gears 408 being meshed, bevel gear are all made of key connection with axis connection mode, are positioned by axle sleeve；
1 one surface of upper die holder offer with 3 matched counter sink 101 of stop screw, upper die holder 1 and cope plate 4 are opposite
One surface offers spring fixed hole, 3 perimeter surface of stop screw and is equipped with spring 7 positioned at spring fixed hole internal sleeve.
Wherein, 5 inner surface of lower template is combined with punch insert 501, and 501 end shape of punch insert is set according to needs of production
It sets, for example when production faucet valve core, valve deck water outlet is through-hole, and 501 top of punch insert is as cylindric, it is grown after molding
Degree is reached enough at the top of the cavity inner surface of Mold Ring with Screw Thread 402, the surface opposite with lower template 5 of lower die holder 2 open up it is fluted, it is recessed
Slot inner surface is combined with liftout plate 201, and 501 bottom end of punch insert is fixedly connected with liftout plate 201.
Wherein, 2 one surface of lower template offers ejection hole 202, and ejection hole 202 is run through with groove, and top is pushed for thimble
Ejecting plate 201.
Wherein, 2 one surface of lower die holder is fixed with guide post 203, and 203 perimeter surface of guide post coordinates with lower template 5, cope plate 4 one
Surface offers and 203 matched column pin hole 409 of guide post.
Wherein, 402 inner surface of Mold Ring with Screw Thread offers screw thread cavity, is used for straight forming workpiece outer ring screw thread, screw-type
Ring 402 is circular ring shape mechanism.
Wherein, 403 one end of gear shaft extends through to inside gear cavity 405, and 407 surface of transmission shaft is rotated with cope plate 4
Cooperation, 4 inner surface of upper die holder are coordinated by the way that bearing is fixedly mounted with transmission shaft in 407 axial end of transmission shaft.
Wherein, 1 one surface of upper die holder offers positioning guide column hole 102, for being positioned with cope plate 4.
Wherein, 1 one surface of upper die holder offers installation threaded hole 103, for being fixedly mounted with injection molding machine.
One of the present embodiment has particular application as：When die sinking, the effect of stop screw 3 is that 4 part of cope plate can be in spring
7 elastic force effect under move a distance with workpiece after stop moving again, eject workpiece after, workpiece still on cope plate 4
Mold Ring with Screw Thread is mutually ined succession, and starts driving device 6 and transmission shaft 407 is driven to rotate, transmission shaft 407 passes through first bevel gear 406 and the
Two bevel gears 407 rotate with movable gear shaft 403, and gear shaft 403 drives the rotating backward to thread rotary orientation of Mold Ring with Screw Thread 402, from
And Mold Ring with Screw Thread 402 is made to be detached with workpiece, workpiece is fallen, and completes whole procedure of processings.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of metal powder injection molded shaping dies, including upper die holder (1) and lower die holder (2), it is characterised in that：It is described
(1) one surface of upper die holder is combined with cope plate (4) by stop screw (3), and lower die is installed at the top of the lower die holder (2)
Plate (5)；
(4) one surface of the cope plate offers circular trough (401), and circular trough (401) inner surface is combined with Mold Ring with Screw Thread
(402), sprocket drive spindle (403) is fixedly mounted at the top of the Mold Ring with Screw Thread (402), all sides of the gear shaft (403) are combined with
Bearing (404), all sides of the bearing (404) are fixed with cope plate (4), and cope plate (4) inner surface offers gear cavity
(405), described gear shaft (402) one end is fixed with first bevel gear (406), and (4) one surface of the cope plate is fixed with driving
Device (6), driving device (6) output end are fixed with transmission shaft (407), and transmission shaft (407) perimeter surface is fixedly mounted
There is the second bevel gear (408) being meshed with first bevel gear (406)；
(1) one surface of the upper die holder offer with stop screw (3) matched counter sink (101), the upper die holder (1) with
Cope plate (4) offers spring fixed hole with respect to a surface, stop screw (3) perimeter surface and in spring fixed hole
Portion is arranged with spring (7).
2. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the lower template
(5) inner surface is combined with punch insert (501), the lower die holder (2) opened up with respect to a surface with lower template (5) it is fluted, it is described
Groove inner surface is combined with liftout plate (201), and punch insert (501) bottom end is fixedly connected with liftout plate (201).
3. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the lower template
(2) one surfaces offer ejection hole (202), and the ejection hole (202) is run through with groove.
4. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the lower die holder
(2) one surfaces are fixed with guide post (203), and guide post (203) perimeter surface coordinates with lower template (5), (4) one table of the cope plate
Face offers and guide post (203) matched column pin hole (409).
5. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the screw-type
Ring (402) inner surface offers screw thread cavity, and the Mold Ring with Screw Thread (402) is circular ring shape mechanism.
6. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the gear shaft
(403) one end extends through to gear cavity (405) inside, and transmission shaft (407) surface is rotatably assorted with cope plate (4).
7. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the upper die holder
(1) one surface offers positioning guide column hole (102).
8. one kind according to claim 1 is metal powder injection molded to use shaping dies, which is characterized in that the upper die holder
(1) one surface offers installation threaded hole (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810545520.9A CN108746627A (en) | 2018-05-25 | 2018-05-25 | One kind is metal powder injection molded to use shaping dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810545520.9A CN108746627A (en) | 2018-05-25 | 2018-05-25 | One kind is metal powder injection molded to use shaping dies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108746627A true CN108746627A (en) | 2018-11-06 |
Family
ID=64000926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810545520.9A Pending CN108746627A (en) | 2018-05-25 | 2018-05-25 | One kind is metal powder injection molded to use shaping dies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746627A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202760A (en) * | 2019-07-23 | 2019-09-06 | 广西机电职业技术学院 | The device and its application method of a kind of cover half side internal screw thread spin demoulding |
| CN112895302A (en) * | 2021-01-19 | 2021-06-04 | 金华馨菲科技有限公司 | Injection molding and demolding device for water filter plate of water dispenser |
| CN117900471A (en) * | 2023-12-11 | 2024-04-19 | 广东益成科技有限公司 | Aluminum alloy powder metallurgy injection molding sintering device and process thereof |
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| JPH07112265A (en) * | 1993-10-18 | 1995-05-02 | Toyota Motor Corp | Apparatus for cast-forming female screw |
| CN202826286U (en) * | 2012-08-09 | 2013-03-27 | 浙江中亚实业有限公司 | Injection mold inner thread automatic demolding mechanism |
| CN103737866A (en) * | 2013-12-19 | 2014-04-23 | 中山市加贝五金模具有限公司 | Threaded demolding mechanism of injection molding mold |
| CN204487981U (en) * | 2015-03-05 | 2015-07-22 | 浙江黄岩红旗塑料模具厂 | There is the mould of plastics screw thread machine for quick operating structure improving transmission efficiency |
| CN105522691A (en) * | 2015-12-12 | 2016-04-27 | 重庆市永川区汇锦塑料厂 | Motor-driven thread disengaging mechanism for injection molding |
-
2018
- 2018-05-25 CN CN201810545520.9A patent/CN108746627A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07112265A (en) * | 1993-10-18 | 1995-05-02 | Toyota Motor Corp | Apparatus for cast-forming female screw |
| CN202826286U (en) * | 2012-08-09 | 2013-03-27 | 浙江中亚实业有限公司 | Injection mold inner thread automatic demolding mechanism |
| CN103737866A (en) * | 2013-12-19 | 2014-04-23 | 中山市加贝五金模具有限公司 | Threaded demolding mechanism of injection molding mold |
| CN204487981U (en) * | 2015-03-05 | 2015-07-22 | 浙江黄岩红旗塑料模具厂 | There is the mould of plastics screw thread machine for quick operating structure improving transmission efficiency |
| CN105522691A (en) * | 2015-12-12 | 2016-04-27 | 重庆市永川区汇锦塑料厂 | Motor-driven thread disengaging mechanism for injection molding |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202760A (en) * | 2019-07-23 | 2019-09-06 | 广西机电职业技术学院 | The device and its application method of a kind of cover half side internal screw thread spin demoulding |
| CN110202760B (en) * | 2019-07-23 | 2024-05-28 | 广西机电职业技术学院 | Device for demolding side internal threads of fixed mold in spin mode and application method of device |
| CN112895302A (en) * | 2021-01-19 | 2021-06-04 | 金华馨菲科技有限公司 | Injection molding and demolding device for water filter plate of water dispenser |
| CN112895302B (en) * | 2021-01-19 | 2022-04-12 | 金华馨菲科技有限公司 | Injection molding and demolding device for water filter plate of water dispenser |
| CN117900471A (en) * | 2023-12-11 | 2024-04-19 | 广东益成科技有限公司 | Aluminum alloy powder metallurgy injection molding sintering device and process thereof |
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