CN203973989U - The screw rod of injection machine - Google Patents
The screw rod of injection machine Download PDFInfo
- Publication number
- CN203973989U CN203973989U CN201420449938.7U CN201420449938U CN203973989U CN 203973989 U CN203973989 U CN 203973989U CN 201420449938 U CN201420449938 U CN 201420449938U CN 203973989 U CN203973989 U CN 203973989U
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- CN
- China
- Prior art keywords
- screw rod
- plane
- rod body
- spiral shell
- injection machine
- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of screw rod of injection machine, solve the poor problem of the inhomogeneous plasticizing effect causing that stirs, its technical scheme main points are to comprise screw rod body, described screw rod body comprises the feeding section setting gradually, compression section, metering section and extruding zone, on described screw rod body, one is arranged with spiral spiral shell rib, described extruding zone comprises the stirring section connecting successively, thread segment and head, described stirring section is connected with described metering section, described spiral shell rib is wholely set on screw rod body and described spiral shell rib and screw rod body are all hollow form, described spiral shell rib comprises the first inclined-plane and supports the second inclined-plane being located on the first inclined-plane, between described the first inclined-plane and the second inclined-plane, form angle, described the second inclined-plane is provided with through hole.The screw rod of injection machine of the present utility model, stir and plasticizing effect good.
Description
Technical field
The utility model relates to a kind of injection machine accessory, and in particular, it relates to a kind of screw rod of injection machine.
Background technology
Screw rod is one of important parts of injection machine, it rotates in barrel, and by solid-state plastic particles or plastics powder fusion plastification, storage metering, carry, wherein plasticizing directly has influence on the quality of plastic products, when plasticizing, plastics are accepted the heat of barrel and the fricative heat melts of plastics and plastics, plastics and barrel, plastics and screw surface, and the injection moulding of having advanced under the stirring of screw rod, so the structure of screw rod is extremely important.
In existing injection machine, often there is the problems such as slow, the mixing inequality of blanking difficulty, the material dispersion of plastic melt be bad, even in the time of discharging, occur burnt material, have a strong impact on the quality of plastic product.Chinese patent CN 201619231 U provide a kind of injection molding screw structure of injection molding, comprise pan feeding section, compression section and metering section, on the bar of screw rod pan feeding section, be provided with and screw rod direction of rotation some the first depressed parts in the same way, accelerate pan feeding, improve blanking ability, on the screw rod of compression section, be provided with some second depressed parts reverse with screw rod direction of rotation, make mixing even, can avoid the generation of bubble and flow liner simultaneously, plasticizing effect is increased, stir and disperse the plasticizing inequality causing, plasticizing effect to need further to be improved but do not solve.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of and stirs and the screw rod of the injection machine that plasticizing effect is good.
For achieving the above object, the utility model provides following technical scheme: a kind of screw rod of injection machine, comprise screw rod body, described screw rod body comprises the feeding section setting gradually, compression section, metering section and extruding zone, on described screw rod body, one is arranged with spiral spiral shell rib, described extruding zone comprises the stirring section connecting successively, thread segment and head, described stirring section is connected with described metering section, described spiral shell rib is wholely set on screw rod body and described spiral shell rib and screw rod body are all hollow form, described spiral shell rib comprises the first inclined-plane and supports the second inclined-plane being located on the first inclined-plane, between described the first inclined-plane and the second inclined-plane, form angle, described the second inclined-plane is provided with through hole.
By adopting technique scheme, spiral shell rib in the shape of a spiral winding on screw rod body, every a bit of spiral shell rib is the triangular prism that bending arranges, spiral shell rib and screw rod body are all hollow form, the through hole and the screw rod body that are arranged on the first inclined-plane are communicated with, in the time that plastic melt is poured on screw rod body, screw rod body drives spiral shell rib synchronous rotary, plastic melt part directly drops on screw rod body and spiral shell rib and rebounds, form angle and be all plane owing to being wholely set between the first inclined-plane and the second inclined-plane, the bounce-back great efforts of plastic melt, thereby between plastic melt and screw rod, contact is abundant, a plastic melt in addition part falls within screw rod body interior by through hole, and plastic melt all with screw rod body outer wall, inwall laminating, increase the contact area between plastic melt and screw rod, plastic melt stir and plasticizing effect good.
The utility model is further set to: the angle of inclination between described the second inclined-plane and screw rod body is greater than the angle of inclination between described the first inclined-plane and screw rod body.
By adopting technique scheme, plastic melt flows towards extruding zone after all first contacting with the first inclined-plane, because plastic melt has mobility, plastic melting is known from experience to reflux, it is inhomogeneous that this can cause plastic melt to stir, angle of inclination between the second inclined-plane and screw rod body is greater than the angle of inclination between described the first inclined-plane and screw rod body, the plastic melt that flows through the first inclined-plane can be gathered on the second inclined-plane, plastic melt can flow in spiral shell rib body by through hole, make plastic melt be difficult for covering the second inclined-plane, stoped the backflow of plastic melt.
The utility model is further set to: in described stirring section, be fixedly connected with some paddles.
By adopting technique scheme, paddle is wholely set and is stirring in section, in the time that plastic melt is poured on screw rod body, screw rod body drives paddle to rotate together, when plastic melt drops on paddle, the paddle of rotation drives plastic melt to rotate together, makes screw rod body more even to the stirring of plastic melt.
The utility model is further set to: described screw rod body is that one end is sealed and is hollow form, and described screw rod inner body wall is provided with zone of heating.
By adopting technique scheme, screw rod body is hollow form and one end is head sealing, in screw rod inner body wall, be closely fitted with zone of heating, high heat is passed to screw rod body by zone of heating, the temperature of screw rod body raises, thereby screw rod body also has good heating effect, improve the effect of plastic melt.
The utility model is further set to: described zone of heating is paved into by the heating wire evenly arranging.
By adopting technique scheme, screw rod inner body wall is evenly distributed with heating wire, heating wire is prior art, when after heating wire and power supply energising, heating wire heating, according to heat transfer effect, transferred heat to the parts of low temperature by the parts of high-temperature, the heat producing on heating wire passes to screw rod body, thereby screw rod body also has good heating effect, and the heating of screw rod body has improved the effect of plastic melt.
The utility model is further set to: the making material of described screw rod body is Ni-based pairing gold.
By adopting technique scheme, Ni-based pairing gold utensil has good wearability and corrosion resistance, also possesses good wearability and corrosion resistance with the screw rod that Ni-based pairing gold is made, and greatly extends the service life of screw rod.
The utlity model has following advantage: stir and plasticizing effect good.
Brief description of the drawings
Fig. 1 is the front view of the screw rod of the utility model injection machine;
Fig. 2 is the partial schematic diagram of the screw rod of the utility model injection machine.
In figure: 1, screw rod body; 2, feeding section; 3, compression section; 4, metering section; 5, extruding zone; 6, spiral shell rib; 7, the first inclined-plane; 8, the second inclined-plane; 9, stir section; 10, thread segment; 11, head; 12, paddle; 13, through hole.
Detailed description of the invention
Shown in Fig. 2, the screw rod of the injection machine of the present embodiment, comprise screw rod body 1, described screw rod body 1 comprises the feeding section 2 setting gradually, compression section 3, metering section 4 and extruding zone 5, on described screw rod body 1, one is arranged with spiral spiral shell rib 6, described extruding zone 5 comprises the stirring section 9 connecting successively, thread segment 10 and head 11, described stirring section 9 is connected with described metering section 4, described spiral shell rib 6 is wholely set on screw rod body 1 and described spiral shell rib 6 and screw rod body 1 are all hollow form, described spiral shell rib 6 comprises the first inclined-plane 7 and supports the second inclined-plane 8 being located on the first inclined-plane 7, between described the first inclined-plane 7 and the second inclined-plane 8, form angle, angle of inclination between described the second inclined-plane 8 and screw rod body 1 is greater than the angle of inclination between described the first inclined-plane 7 and screw rod body 1, described the second inclined-plane 8 is provided with through hole 13, in described stirring section 9, be fixedly connected with some paddles 12, described screw rod body 1 is for one end sealing and be hollow form, described screw rod body 1 inwall is provided with zone of heating, described zone of heating is paved into by the heating wire evenly arranging.
On screw rod body 1 inwall, be closely fitted with zone of heating, screw rod body 1 inwall is evenly distributed with heating wire, heating wire forms zone of heating, heating wire is prior art, when after heating wire and power supply energising, heating wire heating, according to heat transfer effect, transferred heat to the parts of low temperature by the parts of high-temperature, the heat producing on heating wire passes to screw rod body 1, thereby screw rod body 1 also has good heating effect, 1 heating of screw rod body has improved the effect of plastic melt, spiral spiral shell rib 6 is wholely set the feeding section 2 on screw rod body 1, on compression section 3 and metering section 4, feeding section 2, compression section 3, metering section 4 and extruding zone 5 are and are wholely set, in the time that plastic melt is poured on screw rod body 1, screw rod body 1 drives spiral shell rib 6 and stirs paddle 12 synchronous rotary together in section 9, screw rod body 1 is cylindrical, it is conical that head 11 is, spiral shell rib 6 in the shape of a spiral winding on screw rod body 1, every a bit of spiral shell rib 6 is the triangular prism that bending arranges, spiral shell rib 6 and screw rod body 1 are all hollow form, the through hole 13 and the screw rod body 1 that are arranged on the first inclined-plane 7 are communicated with, plastic melt part directly drops on screw rod body 1 and spiral shell rib 6 and rebounds, form angle and be all plane owing to being wholely set between the first inclined-plane 7 and the second inclined-plane 8, the bounce-back great efforts of plastic melt, thereby between plastic melt and screw rod, contact is abundant, a plastic melt in addition part falls within screw rod body 1 inside by through hole 13, and plastic melt all with screw rod body 1 outer wall, inwall laminating, increase the contact area between plastic melt and screw rod, after all first contacting with the first inclined-plane 7, plastic melt flows towards extruding zone 5, because plastic melt has mobility, plastic melting is known from experience to reflux, it is inhomogeneous that this can cause plastic melt to stir, angle of inclination between the second inclined-plane 8 and screw rod body 1 is greater than the angle of inclination between described the first inclined-plane 7 and screw rod body 1, the plastic melt that flows through the first inclined-plane 7 can be gathered on the second inclined-plane 8, plastic melt can flow in spiral shell rib 6 bodies by through hole 13, make plastic melt be difficult for covering the second inclined-plane 8, stop the backflow of plastic melt.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the screw rod of an injection machine, comprise screw rod body, described screw rod body comprises the feeding section setting gradually, compression section, metering section and extruding zone, on described screw rod body, one is arranged with spiral spiral shell rib, described extruding zone comprises the stirring section connecting successively, thread segment and head, described stirring section is connected with described metering section, it is characterized in that: described spiral shell rib is wholely set on screw rod body and described spiral shell rib and screw rod body are all hollow form, described spiral shell rib comprises the first inclined-plane and supports the second inclined-plane being located on the first inclined-plane, between described the first inclined-plane and the second inclined-plane, form angle, described the second inclined-plane is provided with through hole.
2. the screw rod of injection machine according to claim 1, is characterized in that: the angle of inclination between described the second inclined-plane and screw rod body is greater than the angle of inclination between described the first inclined-plane and screw rod body.
3. the screw rod of injection machine according to claim 1, is characterized in that: in described stirring section, be fixedly connected with some paddles.
4. the screw rod of injection machine according to claim 1, is characterized in that: described screw rod body is that one end is sealed and is hollow form, and described screw rod inner body wall is provided with zone of heating.
5. the screw rod of injection machine according to claim 4, is characterized in that: described zone of heating is paved into by the heating wire evenly arranging.
6. the screw rod of injection machine according to claim 1, is characterized in that: the making material of described screw rod body is Ni-based pairing gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449938.7U CN203973989U (en) | 2014-08-11 | 2014-08-11 | The screw rod of injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449938.7U CN203973989U (en) | 2014-08-11 | 2014-08-11 | The screw rod of injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973989U true CN203973989U (en) | 2014-12-03 |
Family
ID=51971470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449938.7U Expired - Fee Related CN203973989U (en) | 2014-08-11 | 2014-08-11 | The screw rod of injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079141A (en) * | 2016-08-09 | 2016-11-09 | 南京永腾化工装备有限公司 | Closed-smelting machine rotor |
| CN109433065A (en) * | 2018-12-04 | 2019-03-08 | 合肥金新允电子技术有限公司 | A kind of computer motherboard production solder(ing) paste agitating device |
-
2014
- 2014-08-11 CN CN201420449938.7U patent/CN203973989U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079141A (en) * | 2016-08-09 | 2016-11-09 | 南京永腾化工装备有限公司 | Closed-smelting machine rotor |
| CN109433065A (en) * | 2018-12-04 | 2019-03-08 | 合肥金新允电子技术有限公司 | A kind of computer motherboard production solder(ing) paste agitating device |
| CN109433065B (en) * | 2018-12-04 | 2021-06-15 | 合肥金新允电子技术有限公司 | Solder paste stirring device for production of computer main board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20190811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |