CN204712391U - A kind of center cooling screw - Google Patents
A kind of center cooling screw Download PDFInfo
- Publication number
- CN204712391U CN204712391U CN201520439142.8U CN201520439142U CN204712391U CN 204712391 U CN204712391 U CN 204712391U CN 201520439142 U CN201520439142 U CN 201520439142U CN 204712391 U CN204712391 U CN 204712391U
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- screw rod
- spiral shell
- shell rib
- compression section
- depth
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- Moulds For Moulding Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of center cooling screw, belong to field of plastic machinery, comprise shank, keyway, seal groove, spiral shell rib, feed zone, compression section, extruding zone, water pipe, endoporus, support ring, screwed hole and permeable hole, described screw rod shank is provided with keyway, screw rod shank can be fixed in reductor rotation hole by keyway, seal groove is located at screw rod tail, seal groove plays the effect stoping material toward backflow, the punishment of screw rod spiral shell rib is feed zone, compression section and extruding zone three sections, the feed zone spiral shell rib degree of depth is identical, the compression section spiral shell rib degree of depth is gradually shallow, the extruding zone spiral shell rib degree of depth is more shallow and the spiral shell rib degree of depth is identical, whole piece screw rod separates in the middle of compression section, compression section is threaded connection, screw rod centrally line has endoporus, water pipe is arranged in endoporus by former and later two support rings, support ring outer ring has six permeable holes, screw rod tail is provided with screwed hole, chilled water unit can be connected on screw rod by screwed hole.
Description
Technical field
The utility model relates to a kind of center cooling screw, belongs to field of plastic machinery.
Background technology
Screw rod is used for plastic molding equipment, as plastic section extruding machine, injection machine etc.; Screw rod is made up of screw thread and cylinder; Screw rod and machine barrel are the core components of plastic molding equipment, and being the part of heating extrusion plasticizing, is the core of plastics machinery; Screw slenderness ratio L/D, screw diameter D refers to the external diameter of screw flight, screw rod effective length L refers to screw rod working portion length, the screw rod of big L/D ratio due to the effective active length of screw rod longer, screw rod DIE Temperature can be caused so too high, plastics are burnt, traditional way be screw rod centrally line open elongated hole, then logical cooling water, but directly bad toward centre bore water flowing cooling effect, the circulation of water is not good, and therefore this is urgent problem.
Summary of the invention
The purpose of this utility model is to provide a kind of center cooling screw.
Problem to be solved in the utility model is the not good defect of existing draw ratio pitch hole cooling effect.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of center cooling screw, comprise shank, keyway, seal groove, spiral shell rib, feed zone, compression section, extruding zone, water pipe, endoporus, support ring, screwed hole and permeable hole, described screw rod shank is provided with keyway, screw rod shank can be fixed in reductor rotation hole by keyway; Seal groove is located at screw rod tail, and seal groove plays the effect stoping material toward backflow; The punishment of screw rod spiral shell rib is feed zone, compression section and extruding zone three sections, and the feed zone spiral shell rib degree of depth is identical, and the compression section spiral shell rib degree of depth is gradually shallow, and the extruding zone spiral shell rib degree of depth is more shallow and the spiral shell rib degree of depth is identical; In the middle of compression section separately, compression section is threaded connection whole piece screw rod; Screw rod centrally line has endoporus, and water pipe is arranged in endoporus by former and later two support rings, and support ring outer ring has six permeable holes, and screw rod tail is provided with screwed hole, chilled water unit can be connected on screw rod by screwed hole.
The utility model has the advantages that: the general length of the screw rod due to draw ratio is long, present puncher all cannot drill so long endoporus, and therefore whole piece screw rod separates in the middle of compression section, after having bored endoporus, again compression section is threaded connection, then carries out soldering at outer surface; Be provided with water pipe in endoporus, therefore cooling water can flow in water pipe, then flows out between pipe outer wall and endoporus, and make the circulation of cooling water strengthen like this, cooling effect is better.
Accompanying drawing explanation
Fig. 1 is the floor map of a kind of center of the utility model cooling screw;
Fig. 2 is the complete section schematic diagram of a kind of center of the utility model cooling screw;
Fig. 3 is the A portion enlarged diagram of a kind of center of the utility model cooling screw;
Fig. 4 is that the B portion of a kind of center of the utility model cooling screw is to cut-away view;
In figure: 1, shank 2, keyway 3, seal groove 4, spiral shell rib 5, feed zone 6, compression section 7, extruding zone 8, water pipe 9, endoporus 10, support ring 11, screwed hole 12, permeable hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
A kind of center cooling screw, comprise shank 1, keyway 2, seal groove 3, spiral shell rib 4, feed zone 5, compression section 6, extruding zone 7, water pipe 8, endoporus 9, support ring 10, screwed hole 11 and permeable hole 12, described screw rod shank 1 is provided with keyway 2, can be fixed in reductor rotation hole by screw rod shank 1 by keyway 2; Seal groove 3 is located at screw rod tail, and seal groove 3 plays the effect stoping material toward backflow; The punishment of screw rod spiral shell rib 4 is feed zone 5, compression section 6 and extruding zone 7 three sections, and feed zone 5 spiral shell rib 4 degree of depth is identical, and compression section 6 spiral shell rib 4 degree of depth is gradually shallow, and extruding zone 7 spiral shell rib 4 degree of depth is more shallow and spiral shell rib 4 degree of depth is identical; In the middle of compression section 6 separately, compression section 6 is threaded connection whole piece screw rod; Screw rod centrally line has endoporus 9, water pipe 8 is arranged in endoporus 9 by former and later two support rings 10, cooling water can be injected into inside screw by water pipe 8, support ring 10 outer ring has six permeable holes 12, permeable hole 12 refluxes for cooling water, screw rod tail is provided with screwed hole 11, chilled water unit can be connected on screw rod by screwed hole 11.
The utility model using method: when endoporus 9 is processed, first whole piece screw rod is divided into two parts to process, after having bored endoporus 9, compression section 6 is threaded connection, then carry out soldering at outer surface; Water pipe 8 is arranged in endoporus 9 by two support rings 10, be connected to by chilled water unit on the screwed hole 11 of screw rod tail, therefore cooling water can flow in water pipe 8, then flows out between water pipe 8 outer wall and endoporus 9 again, make the circulation of cooling water strengthen like this, cooling effect is better.
Claims (3)
1. a center cooling screw, comprise shank (1), keyway (2), seal groove (3), spiral shell rib (4), feed zone (5), compression section (6), extruding zone (7), water pipe (8), endoporus (9), support ring (10), screwed hole (11) and permeable hole (12), it is characterized in that: described screw rod shank (1) is provided with keyway (2), seal groove (3) is located at screw rod tail, screw rod spiral shell rib (4) punishment is feed zone (5), compression section (6) and extruding zone (7) three sections, feed zone (5) spiral shell rib (4) degree of depth is identical, compression section (6) spiral shell rib (4) degree of depth is gradually shallow, extruding zone (7) spiral shell rib (4) degree of depth is more shallow and spiral shell rib (4) degree of depth is identical, in the middle of compression section (6) separately, compression section (6) are threaded connection whole piece screw rod, screw rod centrally line has endoporus (9), and screw rod tail is provided with screwed hole (11).
2. a kind of center according to claim 1 cooling screw, is characterized in that: water pipe (8) is arranged in endoporus (9) by former and later two support rings (10).
3. a kind of center according to claim 1 cooling screw, is characterized in that: support ring (10) outer ring has six permeable holes (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439142.8U CN204712391U (en) | 2015-06-25 | 2015-06-25 | A kind of center cooling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439142.8U CN204712391U (en) | 2015-06-25 | 2015-06-25 | A kind of center cooling screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204712391U true CN204712391U (en) | 2015-10-21 |
Family
ID=54311416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520439142.8U Active CN204712391U (en) | 2015-06-25 | 2015-06-25 | A kind of center cooling screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204712391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115727345A (en) * | 2022-11-24 | 2023-03-03 | 武汉光谷蓝焰新能源股份有限公司 | Biomass boiler feeding system |
-
2015
- 2015-06-25 CN CN201520439142.8U patent/CN204712391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115727345A (en) * | 2022-11-24 | 2023-03-03 | 武汉光谷蓝焰新能源股份有限公司 | Biomass boiler feeding system |
| CN115727345B (en) * | 2022-11-24 | 2024-04-09 | 武汉光谷蓝焰新能源股份有限公司 | Biomass boiler feed system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |