CN210759047U - High-efficient fused injection molding machine screw rod - Google Patents
High-efficient fused injection molding machine screw rod Download PDFInfo
- Publication number
- CN210759047U CN210759047U CN201921689416.3U CN201921689416U CN210759047U CN 210759047 U CN210759047 U CN 210759047U CN 201921689416 U CN201921689416 U CN 201921689416U CN 210759047 U CN210759047 U CN 210759047U
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- section
- screw
- feeding
- injection molding
- fusion
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Abstract
The utility model discloses a high-efficiency melting injection molding machine screw, belonging to the technical field of injection molding machines, wherein the screw is arranged in a transversely arranged machine barrel and comprises a central screw and a screw ridge arranged on the central screw, and a gap is reserved between the top of the screw ridge and the inner wall of the machine barrel; the central screw is sequentially provided with an installation section, a feeding section, a compression section, a fusion section and a discharging section from right to left, and the installation section, the feeding section, the compression section, the fusion section and the discharging section are designed in an integrated manner; the mounting section is connected with the motor at one side far away from the feeding section; the top of the feeding section is in conduction connection with a feeding hopper internally provided with mixed granules; the outer diameter of the screw at the right end of the compression section is equal to that of the feeding section, and the outer diameter of the screw at the left end of the compression section is equal to that of the fusion section; the ratio of the outer diameter of the fusion section to the outer diameter of the feeding section is 1.05-1.5. The utility model discloses can effectively improve the plastify degree of consistency, improve the quality of moulding plastics.
Description
Technical Field
The utility model relates to an injection molding machine technical field, concretely relates to high-efficient fused injection molding machine screw rod.
Background
The injection molding machine is used for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a molding die. The injection molding machine heats and melts the plastic, applies high pressure to the molten plastic, and injects and fills the mold cavity. The screw is an important part of an injection molding machine and functions to convey, compact, melt, stir and apply pressure to the plastic. All these steps are accomplished by rotation of the screw within the barrel, which produces friction and mutual movement of the plastic against the inner wall of the barrel, the bottom surface of the screw grooves, the flight advancing surfaces, and between the plastic and the plastic. The forward propulsion of the plastic in the barrel is the result of this combination of movements and the heat generated by the friction is also absorbed to raise the temperature of the plastic and melt it. The design of the screw will directly influence the extent of these effects.
When the existing injection molding machine is used for injection molding processing of mixed granules, the quality of products is unqualified because the granules are not uniformly mixed or two kinds of granules are not completely melted.
SUMMERY OF THE UTILITY MODEL
For overcoming the unqualified technical problem of mixed aggregate preparation product quality who exists among the prior art, the utility model provides a high-efficient fused injection molding machine screw rod.
The utility model provides a: a high-efficiency melting injection molding machine screw is arranged in a transversely arranged machine barrel and comprises a central screw and a screw ridge arranged on the central screw, wherein a gap is reserved between the top of the screw ridge and the inner wall of the machine barrel; the central screw is sequentially provided with an installation section, a feeding section, a compression section, a fusion section and a discharging section from right to left, and the installation section, the feeding section, the compression section, the fusion section and the discharging section are designed in an integrated manner; the mounting section is connected with the motor at one side far away from the feeding section; the top of the feeding section is in conduction connection with a feeding hopper internally provided with mixed granules; the outer diameter of the screw at the right end of the compression section is equal to that of the feeding section, and the outer diameter of the screw at the left end of the compression section is equal to that of the fusion section; the ratio of the outer diameter of the fusion section to the outer diameter of the feeding section is 1.05-1.5.
Furthermore, the left end of the discharging section is in threaded connection with a glue distributing head group; the glue dividing head component comprises a glue dividing head, a non-return ring and a meson; the glue dividing head is provided with at least 3 glue passing grooves; the non-return ring is limited between the glue dividing head and the meson, and the width of the non-return ring is smaller than the distance between the glue dividing head and the meson; the outer side of the non-return ring is tangent to the inner wall of the machine barrel. The discharge section is provided with a mulling ring.
Furthermore, the sectional area of the left end of the non-return ring is larger than that of the right end of the non-return ring.
Further, the screw pitch of the feeding section is larger than that of the compression section; the pitch of the compression section is greater than that of the fusion section.
Further, the screw pitch of the feeding section is 1.1-1.3 times that of the compression section; the pitch of the compression section is 1.05-2 times of that of the fusion section.
Furthermore, the fusion section is provided with a rotary vane auxiliary edge.
Further, a zirconia ceramic coating is attached to the surface of the screw; the central screw rod is a hollow screw rod, and a heating element is arranged in the hollow screw rod.
Compared with the prior art, the utility model has the advantages of: the utility model provides a high-efficient fused injection molding machine screw rod can effectively improve the plastify degree of consistency, improves the quality of moulding plastics. The external diameter of reinforced section screw rod is less, the external diameter of compression section screw rod from left to right is at crescent, the external diameter of fusing the section screw rod is great, mix the aggregate and add when reinforced section from the loading hopper, mix and impel in great space, when entering into the compression section, along with the increase of screw rod external diameter, the space between its screw rod and the barrel is reducing gradually, friction between the aggregate and between aggregate and the arris piece further increases, along with continuous impel, pressure also progressively increases, make the aggregate further melt mix, and can discharge the air between the aggregate. And the mixing of the granules and the air discharge are greatly enhanced by matching with the design of the screw pitch.
The arrangement of the auxiliary edges of the rotary blades of the fusion section can effectively improve the mixing of the mixed materials in the machine barrel, accelerate the frictional heat generation between the rotary blades and the material barrel, and accelerate the melting of the material barrel.
The reverse flow of the molten plastic after injection can be effectively prevented by the arrangement of the check ring, the sectional area of the left end of the check ring is larger than that of the right end of the check ring, and the pressure of the molten plastic in the injection cavity against the check ring is increased, so that the molten plastic is not easy to loosen and flows backwards.
The screw rod with the zirconia ceramic coating attached to the surface can effectively prevent the screw rod from being worn. The heating element is arranged outside the cylinder for supplying energy for melting the plastic, but because the plastic has poor thermal conductivity, the heating element arranged inside the screw can increase the melting efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the screw of the high-efficiency melting injection molding machine of the present invention.
1-a central screw; 11-a mounting section; 12-a feeding section; 13-a compression section; 14-a fusion segment; 15-discharging section; 2-a helical edge; 31-glue separating head; 32-non-return ring; 33-meson.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1, the screw of the high-efficiency melting injection molding machine is arranged in a transversely arranged machine barrel and comprises a central screw 1 and a screw ridge 2 arranged on the central screw 1, and a gap is reserved between the top of the screw ridge 2 and the inner wall of the machine barrel; the central screw 1 is provided with an installation section 11, a feeding section 12, a compression section 13, a fusion section 14 and a discharging section 15 from right to left in sequence, and the installation section 11, the feeding section 12, the compression section 13, the fusion section 14 and the discharging section 15 are designed in an integrated manner; the mounting section 11 is connected with a motor at one side far away from the feeding section 12; the top of the feeding section 12 is in conduction connection with a feeding hopper internally provided with mixed granules; the outer diameter of the screw of the compression section 13 is gradually increased from right to left, the outer diameter of the screw at the right end of the compression section 13 is equal to the outer diameter of the feeding section 12, and the outer diameter of the screw at the left end of the compression section 13 is equal to the outer diameter of the fusion section 14; the ratio of the outer diameter of the fusion section 14 to the outer diameter of the feeding section 12 is 1.05-1.5.
The left end of the discharging section 15 is in threaded connection with a glue distributing head group; the glue dividing head group comprises a glue dividing head 31, a non-return ring 32 and a meson 33; the glue distributing head 31 is provided with at least 3 glue passing grooves; the non-return ring 32 is limited between the glue dividing head 31 and the meson 33, and the width of the non-return ring 32 is smaller than the distance between the glue dividing head 31 and the meson 33; the outer side of the non-return ring 32 is tangent with the inner wall of the machine barrel.
The cross-sectional area of the non-return ring 32 at the left end is larger than that at the right end.
The screw pitch of the feeding section 12 is larger than that of the compression section 13; the pitch of the compression section 13 is greater than that of the fusion section 14.
The screw pitch of the feeding section 12 is 1.1-1.3 times that of the compression section 13; the pitch of the compression section 13 is 1.05-2 times that of the fusion section 14.
The fusion section 14 is provided with a rotary vane minor edge.
The surface of the screw is attached with a zirconia ceramic coating; the central screw 1 is a hollow screw, and a heating element is arranged in the hollow screw.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a high-efficient fused injection molding machine screw rod, the screw rod is located in the barrel of horizontal setting, its characterized in that: the screw thread forming machine comprises a central screw and a screw thread ridge arranged on the central screw, wherein a gap is reserved between the top of the screw thread ridge and the inner wall of a machine barrel; the central screw is sequentially provided with an installation section, a feeding section, a compression section, a fusion section and a discharging section from right to left, and the installation section, the feeding section, the compression section, the fusion section and the discharging section are designed in an integrated manner; the mounting section is connected with the motor at one side far away from the feeding section; the top of the feeding section is in conduction connection with a feeding hopper internally provided with mixed granules; the outer diameter of the screw at the right end of the compression section is equal to that of the feeding section, and the outer diameter of the screw at the left end of the compression section is equal to that of the fusion section; the ratio of the outer diameter of the fusion section to the outer diameter of the feeding section is 1.05-1.5.
2. The high melt efficiency injection molding machine screw of claim 1, wherein: the left end of the discharging section is in threaded connection with a glue distributing head group; the glue dividing head component comprises a glue dividing head, a non-return ring and a meson; the glue dividing head is provided with at least 3 glue passing grooves; the non-return ring is limited between the glue dividing head and the meson, and the width of the non-return ring is smaller than the distance between the glue dividing head and the meson; the outer side of the non-return ring is tangent to the inner wall of the machine barrel.
3. The high melt efficiency injection molding machine screw of claim 2, wherein: the sectional area of the left end of the non-return ring is larger than that of the right end of the non-return ring.
4. The high melt efficiency injection molding machine screw of claim 1, wherein: the screw pitch of the feeding section is larger than that of the compression section; the pitch of the compression section is greater than that of the fusion section.
5. The high melt efficiency injection molding machine screw of claim 4, wherein: the screw pitch of the feeding section is 1.1-1.3 times that of the compression section; the pitch of the compression section is 1.05-2 times of that of the fusion section.
6. The high melt efficiency injection molding machine screw of claim 1, wherein: the fusion section is provided with a rotary vane auxiliary edge.
7. The high melt efficiency injection molding machine screw of claim 1, wherein: the surface of the screw is attached with a zirconia ceramic coating; the central screw rod is a hollow screw rod, and a heating element is arranged in the hollow screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689416.3U CN210759047U (en) | 2019-10-11 | 2019-10-11 | High-efficient fused injection molding machine screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689416.3U CN210759047U (en) | 2019-10-11 | 2019-10-11 | High-efficient fused injection molding machine screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210759047U true CN210759047U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921689416.3U Expired - Fee Related CN210759047U (en) | 2019-10-11 | 2019-10-11 | High-efficient fused injection molding machine screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210759047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516140A (en) * | 2021-12-27 | 2022-05-20 | 湖北华鑫光电有限公司 | White material injection molding device for lens production |
-
2019
- 2019-10-11 CN CN201921689416.3U patent/CN210759047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516140A (en) * | 2021-12-27 | 2022-05-20 | 湖北华鑫光电有限公司 | White material injection molding device for lens production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20201011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |