CN209888079U - Screw rod for injection molding of engineering plastics - Google Patents
Screw rod for injection molding of engineering plastics Download PDFInfo
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- CN209888079U CN209888079U CN201920180140.XU CN201920180140U CN209888079U CN 209888079 U CN209888079 U CN 209888079U CN 201920180140 U CN201920180140 U CN 201920180140U CN 209888079 U CN209888079 U CN 209888079U
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- engineering plastics
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- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model provides a screw rod for engineering plastics injection molding, including screw rod section and transmission pole, the screw rod section is cavity setting, screw rod section cover establish with on the transmission pole, the screw rod section includes feeding section, melting section, mixing section, transmission section, separation section, extrusion section and screw head along the material trend in proper order, mixing section is located between melting section and the transmission section, mixing section includes mixing section body, a plurality of vertical arris and a plurality of ball, vertical arris is fixed in the periphery of mixing section body, the vertical arris surface is provided with the ball, separation section is located between transmission section and the extrusion section, separation section includes separation section body and a plurality of spiral lug, spiral lug is fixed in the periphery of separation section body, this screw rod for engineering plastics injection molding not only can stir the melting material evenly, also can eliminate simultaneously the production of technology plastics product in the middle of injection molding's process a large amount of bubbles, the molding quality of the engineering plastic is improved.
Description
Technical Field
The utility model relates to a plastics granulation technical field especially relates to a screw rod for engineering plastics are moulded plastics.
Background
Screw (English: screw): a cylinder with a spiral groove or a cone with a conical spiral groove on the outer surface; the screw is mainly used in plastic molding equipment, such as a plastic profile extruder, an injection molding machine and engineering plastic injection molding, and is a core component of the plastic molding equipment, a part for heating, extruding and plasticizing, and a core component of a plastic machine in the whole engineering plastic injection molding.
But because the screw rod that has now all adopts the body of rod and sets up the screw thread on the body of rod to constitute, and the interval between the screw thread is unanimous for in the middle of the process of the ejection of compact, the melting material in the feed cylinder can't obtain abundant even stirring and mix, makes the effect of moulding plastics not good, makes technology plastics product produce a large amount of bubbles in the middle of injection moulding's process easily, thereby has reduced the quality of shaping engineering plastics by a wide margin, and the practicality is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at avoiding the weak point among the prior art and providing a screw rod for engineering plastics moulds plastics, this a screw rod for engineering plastics moulds plastics not only can be with the even stirring of melting material, also can effectual elimination technology plastics product a large amount of bubbles that produce in the middle of injection moulding's process simultaneously, improve engineering plastics's shaping quality.
The embodiment of the utility model provides a screw for injection molding of engineering plastics, which comprises a screw section and a transmission rod, the screw section is arranged in a hollow way, the screw section is sleeved on the transmission rod and sequentially comprises a feeding section, a melting section, a mixing section, a transmission section, a blocking section, an extrusion section and a screw head along the material trend, the mixing section is positioned between the melting section and the conveying section and comprises a mixing section body, a plurality of vertical edges and a plurality of balls, the vertical edges are uniformly fixed on the periphery of the mixing section body, the surfaces of the vertical edges are provided with balls movably connected with the vertical edges, the blocking section is positioned between the conveying section and the extruding section and comprises a blocking section body and a plurality of spiral lugs, the spiral lugs are uniformly fixed on the periphery of the blocking section body, and each spiral lug is arranged along the length direction of the blocking section body.
Preferably, the transmission rod comprises a transmission rod body, a plurality of spline lugs and an installation handle, the spline lugs are uniformly fixed on the periphery of the transmission rod body, and the installation handle is fixed at the upper end of the transmission rod body.
Preferably, the inner wall of the screw section is provided with a spline groove matched with the spline bump, and the spline bump is positioned in the spline groove and can freely move.
Preferably, a plurality of drainage grooves capable of passing through the molten material are formed in the side wall of the screw head at intervals, and the drainage grooves are arranged in an arc shape.
Preferably, the melting section comprises a melting section body and a first spiral rib, and the first spiral rib is fixed on the periphery of the melting section body.
Preferably, the transmission section comprises a transmission section body and a second spiral edge, and the second spiral edge is fixed on the periphery of the transmission section body.
Preferably, the extrusion section comprises an extrusion section body and a third spiral edge, and the third spiral edge is fixed on the periphery of the extrusion body.
Preferably, a plurality of flow guide holes are formed in the surface of the first spiral edge.
Preferably, the outer diameter of the first screw rib is larger than the outer diameter of the second screw rib.
Preferably, the third screw flight is a double-ended screw flight.
Compared with the prior art, the utility model has the advantages that: because the mixing section is arranged between the melting section and the transmission section, the melting section comprises the melting section body, the plurality of vertical edges and the plurality of balls, the plurality of vertical edges can effectively stir the molten materials, and the molten materials are mixed more uniformly by the rolling friction force between the balls on the vertical edges and the molten materials, no bubbles are generated, and the transmission of the molten materials is accelerated; simultaneously through setting up in the transmission section and extruding the separation section between the section, the separation section is including separation section body and a plurality of spiral lug, make the melting material when the separation section, the melting material must be along the clearance transmission between the spiral lug, and then can be in disorder with the route of melting material in transmission process, thereby prevent that the bubble from extruding along extruding the section, further avoid the bubble to the influence of shaping engineering plastics, consequently can effectually get rid of the bubble in the melting material through mixing section and separation section cooperation between them, the quality of shaping engineering plastics has been improved, therefore, the clothes hanger is strong in practicability.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
FIG. 1 is a schematic structural view of a screw for injection molding of engineering plastics according to the present invention;
FIG. 2 is a schematic structural view of a transmission rod in a screw for injection molding of engineering plastics according to the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is a schematic structural view of a blocking section in a screw for injection molding of engineering plastics according to the present invention;
FIG. 5 is a schematic structural view of a screw head of a screw for injection molding of engineering plastics according to the present invention;
fig. 6 is a cross-sectional view at B-B in fig. 2.
The figure includes: screw rod section 1, spline groove 10, feed section 11, melting section 12, melting section body 121, first spiral ridge 122, water conservancy diversion hole 123, mixing section 13, mixing section body 131, a plurality of vertical ridges 132, a plurality of ball 133, transmission section 14, transmission section body 141, second spiral ridge 142, separation section 15, separation section body 151, spiral lug 152, extrusion section 16, extrusion section body 161, third spiral ridge 162, screw head 17, drainage groove 171, transmission pole 2, transmission pole body 21, a plurality of spline lugs 22, installation handle 23.
Detailed Description
The invention will be further described with reference to the following examples.
The embodiment of the utility model provides a screw rod for engineering plastics is moulded plastics, as shown in figure 1 and figure 2, including screw rod section 1 and transmission pole 2, as shown in figure 1, screw rod section 1 is the cavity setting, screw rod section 1 cover is located on transmission pole 2, screw rod section 1 with can dismantle between transmission pole 2, screw rod section 1 includes in proper order along the material trend has the feed zone 11 that is used for the feeding, and sets up melting section 12 that is used for melting the raw materials that is used for feeding 11 lower extreme, sets up the mixing section 13 that is used for mixing stirring raw materials that is used for melting section lower extreme, sets up in mixing section 13 lower extreme and is used for transmitting the transmission section 14 of raw materials, and sets up in the transmission section 14 lower extreme and is used for removing the separation section 15 of bubble in the raw materials, and sets up in the extrusion section 16 that is used for extruding the raw materials that separation section 15 lower extreme and sets up in the screw, the feeding section 11, the melting section 12, the mixing section 13, the conveying section 14, the blocking section 15, the extruding section 16 and the screw head 17 are arranged independently in a segmented manner, the mixing section 13 is positioned between the melting section 12 and the conveying section 14, as shown in fig. 3, the mixing section 13 comprises a mixing section body 131, a plurality of vertical ribs 132 and a plurality of balls 133, the vertical ribs 132 are uniformly fixed on the periphery of the mixing section body 131, the vertical ribs 132 and the mixing section body 131 are integrally formed, the balls 133 in rolling connection with the vertical ribs 132 are arranged on the surface of the vertical ribs 132, the molten materials can be effectively stirred through the vertical ribs 132, and through the rolling friction force between the balls 133 on the vertical ribs 132 and the molten materials, the molten materials are mixed more uniformly without bubbles, the conveying of the molten materials can be accelerated at the same time, the blocking section 15 is positioned between the conveying section 14 and the extruding section 16, as shown in fig. 4, the blocking section 15 includes a blocking section body 151 and a plurality of spiral protrusions 152, the spiral protrusions 152 are uniformly fixed on the periphery of the blocking section body 151, the spiral protrusions 152 and the blocking section body 151 enable the melted material to be transmitted along the gaps between the spiral protrusions 152 when the melted material passes through the blocking section 15 in the operation process of the screw rod through the spiral protrusions 152, and further the path of the melted material in the transmission process can be disturbed, so that the bubbles are prevented from being extruded along the extrusion section 16, the influence of the bubbles on the molding engineering plastic is further avoided, and the quality of the molding engineering plastic is improved.
As shown in fig. 2, in a preferred embodiment, the transmission rod 2 includes a transmission rod body 21, a plurality of spline protrusions 22 and a mounting handle 23, the spline protrusions 22 are uniformly fixed on the periphery of the transmission rod body 21, the spline protrusions 22 and the transmission rod body 21 are integrally formed, the mounting handle 23 is fixed on the upper end of the transmission rod body 2 by bolts, a spline groove 10 matched with the spline protrusions 22 is formed on the inner wall of the screw rod section 1, and the spline protrusions 22 are located in the spline groove 10 and can freely move. Through the clamping and matching between the spline bump 22 and the spline groove 10, each single section on the screw rod section 1 can be detached, the abrasion and the replacement are convenient, the production cost is reduced, and the practicability is high.
As shown in fig. 6, in a preferred embodiment, a plurality of drainage grooves 171 capable of passing through the molten material are formed at intervals on the side wall of the screw head 17, the drainage grooves 171 are arranged in an arc shape, and the molten material can be drained through gaps of the drainage grooves 171 to prevent blockage.
As shown in fig. 1, in a preferred embodiment, the melting section 12 includes a melting section body 121 and a first screw rib 122, the first screw rib 122 is fixed on the periphery of the melting section body 12, and the first screw rib 122 is integrally formed on the melting section 12, so that the material can be effectively melted.
As shown in fig. 1, in a preferred embodiment, the conveying section 14 includes a conveying section body 141 and a second spiral rib 142, the second spiral rib 142 is fixed on the periphery of the conveying section 14 body, and the second spiral rib 142 and the conveying section body 141 are integrally formed, so that the molten material can be stably conveyed.
As shown in fig. 1, in a preferred embodiment, the extrusion section 16 includes an extrusion section body 161 and a third rib 162, the third rib 162 is fixed on the periphery of the extrusion section body 161, and the third rib 162 and the extrusion section body 161 are integrally formed, so that the molten material can be effectively discharged.
As shown in fig. 1, in a preferred embodiment, a plurality of guiding holes 123 are formed on the surface of the first screw ridge 122, so that the molten material can be effectively prevented from being blocked in the conveying process.
As shown in fig. 1, in a preferred embodiment, the outer diameter of the first screw ridge 122 is larger than that of the second screw ridge 142, so that the molten material is prevented from flowing back during the transportation process.
As shown in fig. 1, in a preferred embodiment, the third screw rib 162 is a double-ended screw rib, so that the discharge of the molten material is more stable, and the concentration of the molten material is uniform.
The screw for injection molding of engineering plastics of the embodiment is used as follows:
firstly, the screw is connected with an external motor through the mounting handle 23, then the screw is fed through the feeding section 11 and is transmitted to the melting section 12 to melt the raw materials, and is transmitted to the mixing section 13 through the first screw rib 122, and then the melted raw materials are stirred through the mixing section 13 to remove bubbles in the melted raw materials and are transmitted to the transmission section 14, and simultaneously the melted raw materials are transmitted to the blocking section 15 through the second screw rib 142, and then the melted materials are subjected to bubble removal again through the spiral lug 152 on the blocking section body 151, and finally the materials are extruded through the extrusion section 16 and the screw head 17.
Compared with the prior art, the beneficial effects of the utility model are as follows: because the mixing section is arranged between the melting section and the transmission section, the melting section comprises the melting section body, the plurality of vertical edges and the plurality of balls, the plurality of vertical edges can effectively stir the molten materials, and the molten materials are mixed more uniformly by the rolling friction force between the balls on the vertical edges and the molten materials, no bubbles are generated, and the transmission of the molten materials is accelerated; simultaneously through setting up in the transmission section and extruding the separation section between the section, the separation section is including separation section body and a plurality of spiral lug, make the melting material when the separation section, the melting material must be along the clearance transmission between the spiral lug, and then can be in disorder with the route of melting material in transmission process, thereby prevent that the bubble from extruding along extruding the section, further avoid the bubble to the influence of shaping engineering plastics, consequently can effectually get rid of the bubble in the melting material through mixing section and separation section cooperation between them, the quality of shaping engineering plastics has been improved, therefore, the clothes hanger is strong in practicability.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a screw rod for engineering plastics are moulded plastics, is including screw rod section and transmission pole, the screw rod section is the cavity setting, the screw rod section cover is located on the transmission pole, its characterized in that: the screw rod section is including feeding section, melting section, mixing section, transmission section, separation section, extrusion section and screw head in proper order along the material trend, mixing section is located between melting section and the transmission section, mixing section is including mixing section body, a plurality of perpendicular arris and a plurality of ball, perpendicular arris evenly is fixed in the periphery of mixing section body, perpendicular arris surface be provided with perpendicular arris swing joint's ball, separation section is located between transmission section and the extrusion section, separation section is including separation section body and a plurality of spiral lug, spiral lug evenly is fixed in the periphery of separation section body, and the length direction setting of separation section body is all followed to every spiral lug.
2. A screw for injection molding of engineering plastics according to claim 1, wherein: the transmission rod comprises a transmission rod body, a plurality of spline lugs and an installation handle, the spline lugs are uniformly fixed on the periphery of the transmission rod body, and the installation handle is fixed at the upper end of the transmission rod body.
3. A screw for injection molding of engineering plastics as claimed in claim 2, characterized in that: and the inner wall of the screw rod section is provided with a spline groove matched with the spline bump.
4. A screw for injection molding of engineering plastics according to claim 1, wherein: a plurality of drainage grooves capable of passing through the molten materials are formed in the side wall of the screw head at intervals, and the drainage grooves are arranged in an arc shape.
5. A screw for injection molding of engineering plastics according to claim 1, wherein: the melting section comprises a melting section body and a first spiral edge, and the first spiral edge is fixed on the periphery of the melting section body.
6. The screw for injection molding of engineering plastics according to claim 5, wherein: the transmission section comprises a transmission section body and a second spiral edge, and the second spiral edge is fixed on the periphery of the transmission section body.
7. A screw for injection molding of engineering plastics according to claim 1, wherein: the extrusion section comprises an extrusion section body and a third spiral edge, and the third spiral edge is fixed on the periphery of the extrusion section body.
8. The screw for injection molding of engineering plastics according to claim 5, wherein: a plurality of flow guide holes are formed in the surface of the first spiral edge.
9. The screw for injection molding of engineering plastics according to claim 6, wherein: the outer diameter of the first screw ridge is larger than that of the second screw ridge.
10. The screw for injection molding of engineering plastics according to claim 7, wherein: the third screw edge is a double-end screw edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180140.XU CN209888079U (en) | 2019-02-01 | 2019-02-01 | Screw rod for injection molding of engineering plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180140.XU CN209888079U (en) | 2019-02-01 | 2019-02-01 | Screw rod for injection molding of engineering plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209888079U true CN209888079U (en) | 2020-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920180140.XU Expired - Fee Related CN209888079U (en) | 2019-02-01 | 2019-02-01 | Screw rod for injection molding of engineering plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209888079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515832A (en) * | 2022-02-09 | 2022-05-20 | 杭州科技职业技术学院 | Integrated equipment for metal powder injection molding production |
-
2019
- 2019-02-01 CN CN201920180140.XU patent/CN209888079U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515832A (en) * | 2022-02-09 | 2022-05-20 | 杭州科技职业技术学院 | Integrated equipment for metal powder injection molding 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: 20200103 Termination date: 20210201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |