CN208374212U - Feedstock of Powder Injection Molding making apparatus - Google Patents
Feedstock of Powder Injection Molding making apparatus Download PDFInfo
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- CN208374212U CN208374212U CN201820793937.2U CN201820793937U CN208374212U CN 208374212 U CN208374212 U CN 208374212U CN 201820793937 U CN201820793937 U CN 201820793937U CN 208374212 U CN208374212 U CN 208374212U
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- feedstock
- injection molding
- regrinding
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Abstract
The utility model provides Feedstock of Powder Injection Molding making apparatus, including the unit that feeds intake, material head fragmentation cell, heating melting unit and extrusion granulator unit, the unit that feeds intake is for launching regrinding-material into the material head fragmentation cell, the material head fragmentation cell is used to carry out regrinding-material primary pre- particle to handle, and the heating melting unit is used to the regrinding-material from the material head fragmentation cell being heated to glassy state；The extrusion granulator unit includes feeding mechanism, materail tube, standard die head and rotary cutting body, glassy state regrinding-material from the heating melting unit can be sent into the materail tube feeding for being heated into viscous state by the feeding mechanism, and the rotary cutting body is used to the feeding of the viscous state flowed out from the standard die head being cut into particle feeding.The noise that the Feedstock of Powder Injection Molding making apparatus of the utility model generates in the process of work is small, dust is few.
Description
Technical field
The utility model relates to powder injection molding technology fields, in particular to Feedstock of Powder Injection Molding making apparatus.
Background technique
With being constantly progressive for social science and technology and flourishing for global industry, powder metallurgy injection molding technique due to
Its plurality of advantages, industry development are rapid.Its technology has been widely used in the neck such as military affairs, traffic, machinery, electronics, space flight, aviation
Domain.
Feeding is the broken of the core head section technique of metal injection molding product preparation, the especially regrinding-material in production process
It is broken.Existing crusher by current technical status and structure due to being limited, and big large and small small of broken good regrinding-material is extremely uneven
It is even.And conventional breakers are the high speed rotations by interior cutting blade, constantly to cut and smash mouth of a river material head with impact, because
It always is for the set of blades of equipment and is crushed regrinding-material in high speed rotation, so equipment noise is high, dust is big, not only pollute operation
Environment has an effect on the health of operating personnel.
Broken regrinding-material, which often also needs to increase by one of screening technology, to be used reluctantly, time-consuming and laborious.Note is arrived
Penetrate molding procedure also due to feeding it is not of uniform size, apparent density is unstable, cause injection screw charging movement can not yet
Stablize, each loading density is inconsistent, it is serious may result in hopper bridge formation, can not blanking, equipment can not fully automatic operation,
Influence the yield in production stability and manufacturing process.
Utility model content
The purpose of this utility model be in order to above-mentioned at least one of in the prior art insufficient, propose a kind of powder injection at
Type feeding making apparatus.
In order to solve the above technical problems, the utility model uses following technical scheme:
Feedstock of Powder Injection Molding making apparatus, including the unit that feeds intake, material head fragmentation cell, heating melting unit and extrusion
Pelletization unit, the unit that feeds intake for launching regrinding-material into the material head fragmentation cell, use by the material head fragmentation cell
It is handled in carrying out primary pre- particle to regrinding-material, the heating melting unit is used for will be from the mouth of a river of the material head fragmentation cell
Material is heated to glassy state；The extrusion granulator unit includes feeding mechanism, materail tube, standard die head and rotary cutting body, institute
It states feeding mechanism and the glassy state regrinding-material from the heating melting unit can be sent and be heated into viscous state into the materail tube
Feeding, the rotary cutting body is used to the feeding of the viscous state flowed out from the standard die head being cut into particle feeding.
In some preferred embodiments, the unit that feeds intake is equipped with magnetic force screening part, the magnetic force screening part
For adsorbing the magnetic foreign body in regrinding-material.
In some preferred embodiments, the unit that feeds intake is funnel shaped feeding-passage.
In some preferred embodiments, the end face of the standard die head is equipped with discharge hole, the feeding of the viscous state
It can be flowed out from the discharge hole.
In further preferred embodiment, the discharge hole is the circular hole of diameter 3-5mm.
In some preferred embodiments, the rotary cutting body includes cutting part and connects with the cutting part
The rotating power source connect.
In further preferred embodiment, the rotating power source is variable-frequency motor, and the cutting part is cutting
Blade.
In some preferred embodiments, the feeding mechanism is screw mechanism.
In some preferred embodiments, the heating melting unit is equipped with ceramic electrothermal element.
In some preferred embodiments, the material head fragmentation cell is equipped with carbide chip.
Compared with prior art, the beneficial effects of the utility model have:
Material head fragmentation cell carried out primary pre- particle processing, this pre- particle, as long as big water to regrinding-material before this
Mouth material is processed into small, and material head fragmentation cell only needs work in lower power rating, this is first order crushing operation.So
Small a regrinding-material after precrushing afterwards, falls directly into heating melting unit, and regrinding-material is gradually heated by hard shape is changed into glass
Glass state send the feeding that viscous state is heated into materail tube through feeding mechanism, is squeezed pressing against and flow out from standard die head, then is rotated
Cutting mechanism is cut into a grain graininess feeding, this is second level crushing operation.During the major part of particle, feeding is all
State after belonging to plasticizing, and two-stage crushing operation is used, so noise is small in the equipment course of work, dust is few.
In addition, being cut using rotary cutting body to the feeding flowed out from standard die head, obtained feed pellet is equal
The shortcomings that even, stability is high, and manufacturing process is simple, changes poor traditional crushing plant uniformity, complex procedures, it is raw to promote enterprise
Efficiency is produced, cost is reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the unit that feeds intake of the utility model；
Fig. 2 is the structural schematic diagram of the material head fragmentation cell of the utility model；
Fig. 3 is the structural schematic diagram of the heating melting unit of the utility model；
Fig. 4 is the heating melting unit of the utility model and the structural schematic diagram of extrusion granulator unit；
Fig. 5 is the structural schematic diagram of the standard die head of the utility model.
Specific embodiment
It elaborates below to the embodiments of the present invention.It is emphasized that following the description is only example
Property, rather than in order to limit the scope of the utility model and its application.
The utility model is suitable for making the feeding of various metal materials and ceramic material, below by taking 316L stainless steel as an example
The utility model is illustrated.
Referring to figs. 1 to Fig. 4, Feedstock of Powder Injection Molding making apparatus includes feed intake unit 1, material head fragmentation cell 2, heating
Melt element 3 and extrusion granulator unit 4.
With reference to Fig. 1, the unit 1 that feeds intake is used to launch regrinding-material into material head fragmentation cell 2.The unit 1 that feeds intake is equipment
Funnel shaped feeding-passage can be made in blanking bin, certainly, may be designed as curved feeding-passage according to the actual situation,
Or the channel with gradient for being designed to make regrinding-material that can fall under the effect of gravity or slot.
With reference to Fig. 2, material head fragmentation cell 2 is used to carry out regrinding-material primary pre- particle to handle.Due to being primary pre- particle
Big regrinding-material need to be only processed into small by processing, and such material head fragmentation cell 2 only needs work in lower power shape
State.Cutting mechanism or rolling body can be specifically set in material head fragmentation cell 2.
With reference to Fig. 3 and Fig. 4, heating melting unit 3 is used to the regrinding-material from material head fragmentation cell 2 being heated to glass
State, heating melting unit 3 settable heating element heat regrinding-material, heating element can be ceramic electrothermal element or
Person's magnetic induction heating element.
With reference to Fig. 4, regrinding-material of the extrusion granulator unit 4 for self-heating in future melt element 3 is processed into particle feeding.
Extrusion granulator unit 4 can be connect with heating melting unit 3, can also be independently of heating melting unit 3 except, if make plus
The regrinding-material of heat fusing unit 3 can reach in extrusion granulator unit 4.
With reference to Fig. 4, extrusion granulator unit 4 includes feeding mechanism 41, materail tube 42, standard die head 43 and rotary cutting body
44.Feeding mechanism 41 can future self-heating melt element 3 glassy state regrinding-material send into materail tube 42, feeding mechanism 41 is specific
Screw mechanism or piston mechanism can be used.Materail tube 42 then is used to for glassy state regrinding-material being heated into the feeding of viscous state,
Materail tube 42 also is provided with heating element.Standard die head 43 is for flowing out the feeding of viscous state by designed shape.Rotary cutting
Cutting mill structure 44 is used to the feeding of the viscous state flowed out from standard die head 43 being cut into particle feeding.
As described above, 316L stainless steel regrinding-material drops into material head fragmentation cell 2 from the unit 1 that feeds intake, material head is broken
Broken unit 2 carries out primary pre- particle to regrinding-material and handles, this pre- particle, as long as big regrinding-material is processed into small i.e.
Can, material head fragmentation cell 2 only needs work in lower power rating, this is first order crushing operation.Then small after precrushing
A regrinding-material is fallen directly into heating melting unit 3, and regrinding-material is gradually heated by hard shape is changed into glassy state, through feeder
Structure 41 send into materail tube 42 feeding for being heated into viscous state, is squeezed pressing against and flow out from standard die head 43, then by rotary knife cutter
Structure 44 is cut into a grain graininess feeding, this is second level crushing operation.During the major part of particle, feeding is belonged to
State after plasticizing, and two-stage crushing operation is used, so noise is small in the equipment course of work, dust is few.
In addition, being cut using rotary cutting body 44 to the feeding flowed out from standard die head 43, in feeding mechanism 41
In the case that feeding speed is constant, the length of particle feeding is controlled by the speed of rotary cutting body 44, circumgyration incision
The cutting speed of mechanism 44 is faster, and the length of particle feeding is shorter, otherwise longer；The lateral dimension of particle feeding such as diameter is
It is determined by standard die head 43, the lateral dimension of the designed shape of standard die head 43 is bigger, then the lateral dimension of particle feeding
Also bigger, on the contrary it is smaller.In this way, evengranular feeding can be obtained, stability is high.Entire manufacturing process is simple, changes
The shortcomings that traditional crushing plant uniformity is poor, complex procedures promotes enterprises production efficiency, to reduce cost.
The utility model is further described below:
With reference to Fig. 1, the unit 1 that feeds intake is additionally provided with magnetic force screening part 11, and magnetic force screening part 11 is for adsorbing in regrinding-material
Magnetic foreign body, such as metallic foreign body.Magnetic force screening part 11 specifically has the magnet of strong magnetic force, such as ndfeb magnet,
It may be provided at and feed intake in the bottom of unit 1 (blanking bin) and/or the interlayer of side housing, magnetic force screening part can be prevented in this way
11 fall off.
With reference to Fig. 5, the end face 431 of standard die head 43 is equipped with discharge hole 430, and the feeding of the viscous state of materail tube 42 can be from out
Expect that hole 430 is flowed out.Exemplary, discharge hole 430 is the circular hole of diameter 3-5mm, and the circular hole of such size can meet most processing space
The requirement of conjunction；It is, of course, also possible to which discharge hole 430 to be arranged to the hole of square hole or other irregular shapes.Change can be passed through
The size of discharge hole 430 changes the lateral dimension of particle feeding, and discharge hole 430 is bigger, and the lateral dimension of particle feeding is such as
Diameter is bigger, otherwise smaller.
With reference to Fig. 4, rotary cutting body 44 includes cutting part 441 and the rotating power source connecting with cutting part 441
442, rotating power source 442 drives cutting part 441 to rotate, so that cutting part 441 be made to carry out circumgyration incision to feeding.Rotation
Variable-frequency motor can be used in power source 442, and revolving speed is freely adjustable；Cutting part 441 is cutting blade.
With reference to Fig. 2, material head fragmentation cell 2 is equipped with carbide chip 21, and carbide chip 21 is exactly that material head is broken single
The cutting mechanism of member 2 can carry out primary pre- particle to regrinding-material and handle, big regrinding-material is cut into small material grain.Than
Such as, carbide chip 21 is allowed to carry out circumgyration incision to regrinding-material, due to being primary pre- particle processing, carbide chip 21
Revolving speed is lower, is more advantageous to the generation for reducing noise and reducing dust, and control is also simpler.
The utility model is described in detail below:
With reference to 1 to Fig. 5.
Feedstock of Powder Injection Molding making apparatus is including the unit 1 that feeds intake, material head fragmentation cell 2, heating melting unit 3 and squeezes
Pelletization unit 4 out.Feed intake unit 1, material head fragmentation cell 2 and heating melting unit 3 is set gradually, and regrinding-material is successively by feeding intake
Unit 1, material head fragmentation cell 2 are fallen into heating melting unit 3.
Heating melting unit 3 is heated using ceramic electrothermal element, controls heating temperature by temperature controller, control precision is
Positive and negative 1 degree Celsius, controlled range is room temperature to 300 degrees Celsius.Heating melting unit 3 is equipped with discharge port 30 and melting chamber 31.
The feeding mechanism 41 of extrusion granulator unit 4 is screw mechanism.One end of feeding mechanism 41 is put in by discharge port 30
In melting chamber 31, the other end of feeding mechanism 41 is connect so that feeding to be sent into materail tube 42 and is heated with materail tube 42.Feeding exists
Elastomeric state is gradually heated up by initial glassy state in materail tube 42, eventually becomes viscous state.Standard die head 43 is arranged in material
The end of pipe 42, standard die head 43 are the closed components in end face, that is, a part of position of end face 431 of standard die head 43 is set
There is discharge hole 430.The cutting blade of rotary cutting body 44 and the end face 431 of standard die head 43 are oppositely arranged, thus to standard
The feeding that die head 43 flows out carries out circumgyration incision.
Equipment power switch is opened, the temperature of heating melting unit 3 is set as 170 degrees Celsius, and the temperature of materail tube 42 is set
It is set to 185 degrees Celsius.
After the temperature of the cavity of the melting chamber 31 and materail tube 42 of melt element 3 to be heated reaches setting value, start conduct
The variable-frequency motor of rotating power source 442, the carbide chip 21 in material head fragmentation cell 2 start to rotate, and revolving speed is per minute
500-800 turns.
Needing broken 316L stainless steel regrinding-material to put into feeding intake in unit 1, equipment starts precrushing work.It opens again
Screw mechanism in dynamic heating melting unit 3 as feeding mechanism 41, screw rod starts swivel feeding, heating melting unit 3
Feeding in melting chamber 31 is squeezed out by materail tube 42 to standard die head 43.
Since standard die head 43 is to be mounted on the packaged unit that the end of materail tube 42 is arranged in, the end face of standard die head 43
It is 3 ± 0.3mm of φ through discharge hole 430 equipped with a loop diameter.Feeding during the continuous rotary extrusion of screw rod, constantly from
It emerges in discharge hole 430 at standard die head 43, adjusts the speed of cutting blade to a suitable speed, such as 30 turns/every
Minute, to control the feed pellet length cut and obtained in 2-3mm length range, feeding for extrusion is connected with catching device
Material keeps equipment stable operation, until regrinding-material is all crushed after the completion of cutting, stops motor, closes heating, and cut-off equipment is electric
The production of feeding is so just completed in source.
The Feedstock of Powder Injection Molding making apparatus of the utility model is obtained for being crushed powder metallurgy injection moulding feeding
Feed pellet is uniform, stability is high, entire manufacturing process is simple and dust pollution is small, changes traditional crushing plant uniformity
The shortcomings that difference, complex procedures, promotes enterprises production efficiency, reduces cost.
The above content is specific/preferred embodiment further detailed description of the utility model is combined, no
It can assert that the specific implementation of the utility model is only limited to these instructions.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, the embodiment that these have been described can also be made
Some replacements or modifications, and these substitutions or variant all shall be regarded as belonging to the protection scope of the utility model.
Claims (10)
1. Feedstock of Powder Injection Molding making apparatus, it is characterised in that: including the unit that feeds intake, material head fragmentation cell, heating melting
Unit and extrusion granulator unit, the unit that feeds intake is for launching the material head into the material head fragmentation cell for regrinding-material
Fragmentation cell is used to carry out regrinding-material primary pre- particle to handle, and the heating melting unit from the material head for that will be crushed
The regrinding-material of unit is heated to glassy state；The extrusion granulator unit includes feeding mechanism, materail tube, standard die head and rotary cutting
Glassy state regrinding-material from the heating melting unit can be sent into the materail tube and be heated by cutting mill structure, the feeding mechanism
At the feeding of viscous state, the rotary cutting body is used to for the feeding of the viscous state flowed out from the standard die head being cut into
Grain feeding.
2. Feedstock of Powder Injection Molding making apparatus according to claim 1, it is characterised in that: the unit that feeds intake is equipped with
Magnetic force screening part, the magnetic force screening part are used to adsorb the magnetic foreign body in regrinding-material.
3. Feedstock of Powder Injection Molding making apparatus according to claim 1, it is characterised in that: the unit that feeds intake is leakage
The feeding-passage of bucket shape.
4. Feedstock of Powder Injection Molding making apparatus according to claim 1, it is characterised in that: the end of the standard die head
Face is equipped with discharge hole, and the feeding of the viscous state can be flowed out from the discharge hole.
5. Feedstock of Powder Injection Molding making apparatus according to claim 4, it is characterised in that: the discharge hole is diameter
The circular hole of 3-5mm.
6. Feedstock of Powder Injection Molding making apparatus according to claim 1, it is characterised in that: the rotary cutting body
Including cutting part and the rotating power source being connect with the cutting part.
7. Feedstock of Powder Injection Molding making apparatus according to claim 6, it is characterised in that: the rotating power source is
Variable-frequency motor, the cutting part are cutting blade.
8. Feedstock of Powder Injection Molding making apparatus according to claim 1, it is characterised in that: the feeding mechanism is spiral shell
Linkage.
9. Feedstock of Powder Injection Molding making apparatus according to claim 1, it is characterised in that: the heating melting unit
Equipped with ceramic electrothermal element.
10. Feedstock of Powder Injection Molding making apparatus according to any one of claims 1 to 9, it is characterised in that: the material
Head fragmentation cell is equipped with carbide chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820793937.2U CN208374212U (en) | 2018-05-25 | 2018-05-25 | Feedstock of Powder Injection Molding making apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820793937.2U CN208374212U (en) | 2018-05-25 | 2018-05-25 | Feedstock of Powder Injection Molding making apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374212U true CN208374212U (en) | 2019-01-15 |
Family
ID=64972034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820793937.2U Active CN208374212U (en) | 2018-05-25 | 2018-05-25 | Feedstock of Powder Injection Molding making apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374212U (en) |
-
2018
- 2018-05-25 CN CN201820793937.2U patent/CN208374212U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190808 Address after: 523843 No. 2 Weifeng Road, Niushan External Economic Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Dongguan Hua Jing powder metallurgy company limited Address before: 523843 No. 2 Weifeng Road, Niushan External Economic Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Co-patentee before: Guangdong wins smart group Limited by Share Ltd Patentee before: Dongguan Hua Jing powder metallurgy company limited Co-patentee before: Dongguan Jinsheng precision electronic Components Ltd |
|
| TR01 | Transfer of patent right |