CN104588657A - Powder injection molding device capable of preventing air bubbles - Google Patents
Powder injection molding device capable of preventing air bubbles Download PDFInfo
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- CN104588657A CN104588657A CN201410816112.4A CN201410816112A CN104588657A CN 104588657 A CN104588657 A CN 104588657A CN 201410816112 A CN201410816112 A CN 201410816112A CN 104588657 A CN104588657 A CN 104588657A
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- injection molding
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Abstract
The invention discloses a powder injection molding device capable of preventing air bubbles. The powder injection molding device capable of preventing air bubbles comprises a hollow cylinder, a screw arranged in the cylinder and a vibration motor arranged at one end of the screw, wherein the vertically-arranged cylinder is used for containing the screw and the vibration motor arranged at one end of the screw, the vibration motor is used for driving the powder injection molding device, fed materials can smoothly flow conveniently through the vertically-arranged cylinder, condensation caused by cooling is unlikely to occur, two through holes are correspondingly formed in the upper portion of the side face of the cylinder and are used for being connected with an L-shaped conveying pipe, the fed materials are conveyed through the through holes, the through holes incline downwards from outside to inside, a big-end-up conical spraying head is arranged on the bottom of the cylinder and is used for discharging the fed materials, at least two S-shaped exhaust holes which incline downwards from outside to inside and are used for discharging redundant air in the cylinder are arranged between the spraying head and the through holes, and thus air bubbles are prevented from being generated on products. The powder injection molding device capable of preventing air bubbles has the advantages of being simple in structure, convenient to use and the like.
Description
Technical field
The present invention relates to metal powder injection molding field, especially a kind of powder injection-molded device of anti-pore.
Background technology
Metal injection moulding (Metal Injection Molding, be called for short MIM) be a kind of Novel powder metallurgy near-net-shape technology of extending out from injection molding of plastics industry, as everyone knows, the price that injection molding of plastics technology is cheap produces the goods of various complicated shape, but plastic products intensity is not high, in order to improve its performance, metal or ceramic powders can be added in the plastic and directly use metallic to obtain the goods that intensity is higher, wearability is good.Its production process is: metal dust+bonding agent → mixing → injection moulding → degreasing → sintering → post processing; Injection molding object is the zero defect, the evengranular MIM molding blank that obtain required form, first granular feeding is heated to necessarily high temperature and makes it that there is mobility, then it is entered in cylindrical shell by conveying pipeline, under the effect of motor, screw rod drives feeding injection die cavity to cool down and obtains the base substrate with certain rigidity of required form, then it is taken out from die cavity and obtains MIM one-tenth parison; In the process stirred, be easy in feeding, enter air thus cause pore, thus the probability producing substandard products promotes greatly, how effectively can discharge pore, become the problem that we need to solve now.
Summary of the invention
In order to overcome the problems referred to above, the invention provides the powder injection-molded device of a kind of structure anti-pore simple, easy to use.
Technical scheme of the present invention is to provide a kind of powder injection-molded device of anti-pore, it comprises the barrel mast of hollow, be arranged at the screw rod in described barrel mast and be arranged at the vibrating motor of described screw rod one end, it is characterized in that: described barrel mast is arranged for vertical, the side surface upper part correspondence of described barrel mast is provided with at least two through holes, described through hole is downward-sloping setting from outside to inside, the conveying pipeline of " L " font is respectively arranged with outside described through hole, up big and down small Conic nozzle is provided with bottom described barrel mast, described shower nozzle is extremely at least provided with two " S " font steam vents downward-sloping from outside to inside between described through hole.
In a preferred embodiment of the present invention, be provided with multiple woven wire in described steam vent, described steam vent outer setting has an air bleeding valve.
In a preferred embodiment of the present invention, being provided with bottom described Conic nozzle can the nozzle of jetting material body.
In a preferred embodiment of the present invention, the angle of described through hole and horizontal plane is a, 45 ° of <a<75 °.
In a preferred embodiment of the present invention, the corner of described conveying pipeline is provided with circular arc chamfering.
In a preferred embodiment of the present invention, described barrel mast inside is provided with the dismountable wearing layer of one deck, and the side of described wearing layer is provided with equidistant screw-type convex surface.
The powder injection-molded device of anti-pore of the present invention is provided with vertical barrel mast for placing screw rod and being arranged at the vibrating motor of screw rod one end, vibrating motor is used for driving effect of the present invention, the flowing that vertically disposed barrel mast facilitates feeding is smooth and easy, not easily cool condensation, the side surface upper part correspondence of barrel mast is provided with two through holes for connecting the conveying pipeline of " L " font and transmitting feeding by through hole, through hole is downward-sloping setting from outside to inside, and the angle of through hole and horizontal plane is 45 ° is easier to the flowing of feeding to 75 °, the output of up big and down small Conic nozzle for feeding is provided with bottom barrel mast, the discharge that two downward-sloping from outside to inside " S " font steam vents are used for excessive gas in barrel mast is at least provided with between shower nozzle to through hole, prevent the generation of product air holes.The advantages such as it is simple that the present invention has structure, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the powder injection-molded device of a kind of anti-pore of preferred embodiment.
Detailed description of the invention
Below the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the powder injection-molded device of a kind of anti-pore of the present invention, it comprises the barrel mast 1 of hollow, be arranged at the screw rod 2 in barrel mast 1 and be arranged at the vibrating motor 3 of screw rod 2 one end, it is characterized in that: barrel mast 1 is arranged for vertical, the side surface upper part correspondence of barrel mast 1 is provided with at least two through holes 7, through hole 7 is downward-sloping setting from outside to inside, the conveying pipeline 8 of " L " font is respectively arranged with outside through hole 7, up big and down small Conic nozzle 4 is provided with bottom barrel mast 1, two downward-sloping from outside to inside " S " font steam vents 5 are at least provided with between shower nozzle to through hole 7.
Multiple woven wire 6 is provided with in steam vent 5, steam vent 5 outer setting has an air bleeding valve 12, being provided with bottom Conic nozzle 4 can the nozzle 9 of jetting material body, through hole 7 is a with the angle of horizontal plane, 45 ° of <a<75 °, the corner of conveying pipeline 8 is provided with circular arc chamfering 11, and barrel mast 1 inside is provided with the dismountable wearing layer 13 of one deck, and the side of wearing layer 13 is provided with equidistant screw-type convex surface 10.
The powder injection-molded device of anti-pore of the present invention is provided with vertical barrel mast 1 for placing screw rod 2 and being arranged at the vibrating motor 3 of screw rod 2 one end, vibrating motor 3 acts on for driving of the present invention, the flowing that vertically disposed barrel mast 1 facilitates feeding is smooth and easy, not easily cool condensation, the side surface upper part correspondence of barrel mast 1 is provided with two through holes 7 for connecting the conveying pipeline 8 of " L " font and transmitting feeding by through hole 7, through hole 7 is downward-sloping setting from outside to inside, and through hole 7 is 45 ° with the angle of horizontal plane is easier to the flowing of feeding to 75 °, the output of up big and down small Conic nozzle 4 for feeding is provided with bottom barrel mast 1, the discharge of two downward-sloping from outside to inside " S " font steam vents 5 for excessive gas in barrel mast 1 is at least provided with between shower nozzle to through hole 7, prevent the generation of product air holes.
The refluence that multiple woven wire 6 prevents feeding is provided with in steam vent 5, the air bleeding valve 12 of steam vent 5 outer setting open closed can be used for gas purging, nozzle 9 is provided with for exporting feeding bottom Conic nozzle 4, the corner of conveying pipeline 8 is provided with the more convenient flowing of feeding of circular arc chamfering 11, barrel mast 1 inside is provided with the wearing and tearing that the dismountable wearing layer 13 of one deck effectively prevents barrel mast 1, and dismountable setting can change wearing layer 13 at any time, convenient saving, it is more abundant that the side of wearing layer 13 is provided with that equidistant screw-type convex surface 10 makes feeding mix under the stirring of screw rod 2, in use, the feeding that metal dust and bonding agent form is by conveying pipeline 8, rapidly flow toward in barrel mast 1, under the effect of vibrating motor 3, screw rod 2 does the pulsating vibration of circumferencial direction, the air in feeding and volatile matter is got rid of by " S " font steam vent 5 and makes mixing of materials more even, orders about feeding simultaneously and injects die cavity by nozzle 9 and carry out injection punch die, after cooling, obtain into parison in a mold.
Above embodiment is only the present invention's a kind of embodiment wherein, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. the powder injection-molded device of an anti-pore, it comprises the barrel mast of hollow, be arranged at the screw rod in described barrel mast and be arranged at the vibrating motor of described screw rod one end, it is characterized in that: described barrel mast is arranged for vertical, the side surface upper part correspondence of described barrel mast is provided with at least two through holes, described through hole is downward-sloping setting from outside to inside, the conveying pipeline of " L " font is respectively arranged with outside described through hole, up big and down small Conic nozzle is provided with bottom described barrel mast, described shower nozzle is extremely at least provided with two " S " font steam vents downward-sloping from outside to inside between described through hole.
2. the powder injection-molded device of a kind of anti-pore according to claim 1, is characterized in that: be provided with multiple woven wire in described steam vent, and described steam vent outer setting has an air bleeding valve.
3. the powder injection-molded device of a kind of anti-pore according to claim 2, is characterized in that: being provided with bottom described Conic nozzle can the nozzle of jetting material body.
4. the powder injection-molded device of a kind of anti-pore according to claim 3, is characterized in that: the angle of described through hole and horizontal plane is a, 45 ° of <a<75 °.
5. the powder injection-molded device of a kind of anti-pore according to claim 4, is characterized in that: the corner of described conveying pipeline is provided with circular arc chamfering.
6. the powder injection-molded device of a kind of anti-pore according to claim 5, is characterized in that: described barrel mast inside is provided with the dismountable wearing layer of one deck, the side of described wearing layer is provided with equidistant screw-type convex surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816112.4A CN104588657B (en) | 2014-12-25 | 2014-12-25 | A kind of powder injection-molded device of anti-pore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816112.4A CN104588657B (en) | 2014-12-25 | 2014-12-25 | A kind of powder injection-molded device of anti-pore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104588657A true CN104588657A (en) | 2015-05-06 |
| CN104588657B CN104588657B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410816112.4A Active CN104588657B (en) | 2014-12-25 | 2014-12-25 | A kind of powder injection-molded device of anti-pore |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110914041A (en) * | 2017-05-16 | 2020-03-24 | 斯塔拉斯莫里茨的星堡Kg | 3D printer head for use in a 3D printer, 3D printer with such a 3D printer head, method for operating such a 3D printer and printed product produced using such a 3D printer |
| CN112427640A (en) * | 2020-11-04 | 2021-03-02 | 东莞华晶粉末冶金有限公司 | Metal powder injection molding equipment and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010012700A (en) * | 2008-07-04 | 2010-01-21 | Toshiba Mach Co Ltd | Method of drawing screw of electric injection molding machine |
| CN103600078A (en) * | 2013-09-12 | 2014-02-26 | 苏州米莫金属科技有限公司 | Screw injection molding device |
| CN203495227U (en) * | 2013-08-26 | 2014-03-26 | 苏州米莫金属科技有限公司 | Powder injection molding device |
| CN203957273U (en) * | 2014-06-13 | 2014-11-26 | 温州光明塑机制造有限公司 | The injecting mechanism of injection machine |
| CN204396877U (en) * | 2014-12-25 | 2015-06-17 | 苏州米莫金属科技有限公司 | A kind of powder injection-molded device of anti-pore |
-
2014
- 2014-12-25 CN CN201410816112.4A patent/CN104588657B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010012700A (en) * | 2008-07-04 | 2010-01-21 | Toshiba Mach Co Ltd | Method of drawing screw of electric injection molding machine |
| CN203495227U (en) * | 2013-08-26 | 2014-03-26 | 苏州米莫金属科技有限公司 | Powder injection molding device |
| CN103600078A (en) * | 2013-09-12 | 2014-02-26 | 苏州米莫金属科技有限公司 | Screw injection molding device |
| CN203957273U (en) * | 2014-06-13 | 2014-11-26 | 温州光明塑机制造有限公司 | The injecting mechanism of injection machine |
| CN204396877U (en) * | 2014-12-25 | 2015-06-17 | 苏州米莫金属科技有限公司 | A kind of powder injection-molded device of anti-pore |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110914041A (en) * | 2017-05-16 | 2020-03-24 | 斯塔拉斯莫里茨的星堡Kg | 3D printer head for use in a 3D printer, 3D printer with such a 3D printer head, method for operating such a 3D printer and printed product produced using such a 3D printer |
| CN110914041B (en) * | 2017-05-16 | 2021-10-08 | 斯塔拉斯莫里茨的星堡Kg | 3D printer head, 3D printer and method for operating 3D printer |
| CN112427640A (en) * | 2020-11-04 | 2021-03-02 | 东莞华晶粉末冶金有限公司 | Metal powder injection molding equipment and method |
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| Publication number | Publication date |
|---|---|
| CN104588657B (en) | 2016-08-31 |
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