CN205130308U - Improve air discharge performance's special screw rod of injection molding machine - Google Patents
Improve air discharge performance's special screw rod of injection molding machine Download PDFInfo
- Publication number
- CN205130308U CN205130308U CN201520806336.7U CN201520806336U CN205130308U CN 205130308 U CN205130308 U CN 205130308U CN 201520806336 U CN201520806336 U CN 201520806336U CN 205130308 U CN205130308 U CN 205130308U
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- stem
- diameter
- preshearing
- high shear
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Abstract
The utility model discloses an improve air discharge performance's special screw rod of injection molding machine, including the screw rod main part, this screw rod main part has set gradually linkage segment, canned paragraph, pan feeding section, compression melt zone, preshearing dissection, high shear section, exhaust section, has reinforceed compression section, mixing section and ejection of compact section, the core column diameter of this preshearing dissection keeps unanimous and is greater than compression melt zone core column diameter, and the core column diameter of this high shear section keeps the unanimous core column diameter who just is greater than the preshearing dissection, the threaded outside diameter of preshearing dissection is unanimous with the threaded outside diameter of high shear section, between compression melt zone and the preshearing dissection, all gradually change through inclined plane or arc between preshearing dissection and the high shear section and pass through, the core column diameter of exhaust section is less than the core column diameter of high shear section, and the threaded outside diameter of exhaust section is less than the threaded outside diameter of high shear section, by this, design through preshearing dissection, high shear section, exhaust section for the melt includes some the bigger degree of gas ground and spills over, thereby, improve the air discharge performance that moulds plastics.
Description
Technical field
The utility model relates to the screw rod that injection machine is applied, and refers in particular to a kind of injection machine bolt special improving exhaust performance.
Background technology
Screw rod is one of key components and parts of injection machine, and it rotates in the machine barrel of injection machine, and raw material is become molten state through conveying compacting, fusion plastification by Main Function exactly; Usually, can produce the steam that some escaping gases and raw material itself contain in this process, these gas needs to discharge before melt injection moulding, improves the quality of injecting products.
But in prior art, its general exhaust performance is not good enough, and the gas be not discharged is mixed in injecting products, all harmful effect is created to the structural strength of injecting products and outward appearance; Also the good injection machine of some exhaust performance, its exhaust performance is good, and obtained product yields is high, but it exists complex structure, and equipment and the more high deficiency of accessory cost, be unsuitable for applying.
Need to work out a kind of new technical scheme and solve the problems referred to above.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of injection machine bolt special improving exhaust performance, it is by the design of preshearing segment, high shear section, exhaust section, the gas contained in melt is overflowed to a greater degree, to improve injection moulding exhaust performance.
For achieving the above object, the utility model adopts following technical scheme:
A kind of injection machine bolt special improving exhaust performance, include screw body, this screw body is disposed with linkage section, canned paragraph, pan feeding section, compression melt zone, preshearing segment, high shear section, exhaust section, strengthening compression section, mixing section and discharging section from left to right; Wherein, pan feeding section, compression melt zone, preshearing segment, high shear section, exhaust section, strengthening compression section and mixing section include stem stem and are formed at the screw thread on corresponding stem stem; The stem stem diameter of this preshearing segment is consistent and is greater than compression melt zone stem stem diameter, and the stem stem diameter of this high shear section is consistent and is greater than the stem stem diameter of preshearing segment; The major diameter of thread of described preshearing segment is consistent with the major diameter of thread of high shear section, and described high shear section screw thread groove depth is less than the screw thread groove depth of described preshearing segment; All by inclined-plane or arc gradual transition between described compression melt zone and preshearing segment, between preshearing segment and high shear section; The stem stem diameter of described exhaust section is less than the stem stem diameter of high shear section, and the major diameter of thread of exhaust section is less than the major diameter of thread of high shear section.
As a kind of preferred version, the ratio of the major diameter of thread of described exhaust section and the major diameter of thread of high shear section is 0.7 ~ 0.9.
As a kind of preferred version, the pitch of described preshearing segment and the ratio of himself major diameter of thread are 0.3 ~ 0.4.
As a kind of preferred version, the stem stem diameter of described compression melt zone, the stem stem diameter of strengthening compression section are all from left to right in gradually large structure.
As a kind of preferred version, the stem stem diameter of described pan feeding section is less than the stem stem diameter of compression melt zone, and the major diameter of thread of this pan feeding section is less than the external diameter of canned paragraph; And the stem stem diameter of described exhaust section is less than the stem stem diameter of strengthening compression section.
As a kind of preferred version, the stem stem diameter of described mixing section is greater than the stem stem diameter of strengthening compression section, the screw thread on the stem stem of this mixing section for being set side by side with some, the thread groove entrance between its screw thread towards and the thread groove of through strengthening compression section.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, it is mainly by the design of preshearing segment, high shear section, exhaust section, the gas contained in melt is overflowed to a greater degree, thus improve injection moulding exhaust performance, its main improvement design is screw rod, for whole injection-moulding device, it additionally can not increase excessive cost, and therefore, this kind of screw rod is suitable for applying; Simultaneously, the design successively of pan feeding section, compression melt zone, preshearing segment, high shear section, exhaust section, strengthening compression section, mixing section and discharging section and cooperatively interacting, guarantee that screw rod has plasticizing effect preferably, its obtained product structure intensity be guaranteed, appearance luster uniformity.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the embodiment general configuration schematic diagram of the utility model;
Fig. 2 is the partial enlargement structural representation of Fig. 1.
Accompanying drawing identifier declaration:
11, linkage section 12, canned paragraph
20, pan feeding section 30, compression melt zone
40, preshearing segment 50, high shear section
60, exhaust section 70, strengthening compression section
80, mixing section 90, discharging section.
Detailed description of the invention
Please refer to shown in Fig. 1 and Fig. 2, that show the concrete structure of the preferred embodiment of the utility model, it is not good enough mainly for injection machine exhaust performance in prior art, exhaust phase is answered the problems such as cost is higher and done improvement design, specifically, the screw rod of the present embodiment includes screw body, and this screw body is disposed with linkage section 11, canned paragraph 12, pan feeding section 20, compression melt zone 30, preshearing segment 40, high shear section 50, exhaust section 60, strengthening compression section 70, mixing section 80 and discharging section 90 from left to right.
Wherein, pan feeding section 20, compression melt zone 30, preshearing segment 40, high shear section 50, exhaust section 60, strengthening compression section 70 and mixing section 80 include stem stem and are formed at the screw thread on corresponding stem stem;
The stem stem diameter of this pan feeding section 20 is less than the stem stem diameter of compression melt zone 30, the major diameter of thread of this pan feeding section 20 is less than the external diameter of canned paragraph 12, the corresponding inlet of this pan feeding section 20 is arranged, and it designs the screw thread of less external diameter especially, forms the mouth of stepping down being beneficial to raw material and entering; The stem stem diameter of described compression melt zone 30, the stem stem diameter of strengthening compression section 70, all from left to right in gradually large structure, are compressed preferably at compression melt zone 30 raw material, are plastified, formed molten condition; Strengthening compression section 70 be to decompression exhaust after melt carry out reinforcements compression plastify.
The stem stem diameter of this preshearing segment 40 is consistent and is greater than compression melt zone 30 stem stem diameter, and the stem stem diameter of this high shear section 50 is consistent and is greater than the stem stem diameter of preshearing segment 40; All by inclined-plane or arc gradual transition between described compression melt zone 30 and preshearing segment 40, between preshearing segment 40 and high shear section 50; The pitch of described preshearing segment 40 and the ratio of himself major diameter of thread are 0.3 ~ 0.4; The major diameter of thread of described preshearing segment 40 is consistent with the major diameter of thread of high shear section 50, and described high shear section 50 screw thread groove depth is less than the screw thread groove depth of described preshearing segment 40; Melt is formed the thread groove rotary irradiating of high pressure thin layer from high shear section 50 to strengthening compression section 70 by preshearing segment 40 and high shear section 50 gradually, and when through exhaust section 60, contained by its melt, gas is then discharged well.
Herein, the stem stem diameter of this exhaust section 60 is less than the stem stem diameter of strengthening compression section 70; The stem stem diameter of described exhaust section 60 is less than the stem stem diameter of high shear section 50, and the major diameter of thread of exhaust section 60 is less than the major diameter of thread of high shear section 50, and the ratio of the major diameter of thread of described exhaust section 60 and the major diameter of thread of high shear section 50 is 0.7 ~ 0.9.
And the stem stem diameter of this mixing section 80 is greater than the stem stem diameter of strengthening compression section 70, the screw thread on the stem stem of this mixing section 80 for being set side by side with some, the thread groove entrance between its screw thread towards and the thread groove of through strengthening compression section 70.
Design focal point of the present utility model is, it is mainly by the design of preshearing segment, high shear section, exhaust section, the gas contained in melt is overflowed to a greater degree, thus improve injection moulding exhaust performance, its main improvement design is screw rod, for whole injection-moulding device, it additionally can not increase excessive cost, and therefore, this kind of screw rod is suitable for applying; Simultaneously, the design successively of pan feeding section, compression melt zone, preshearing segment, high shear section, exhaust section, strengthening compression section, mixing section and discharging section and cooperatively interacting, guarantee that screw rod has plasticizing effect preferably, its obtained product structure intensity be guaranteed, appearance luster uniformity.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. one kind is improved the injection machine bolt special of exhaust performance, it is characterized in that: include screw body, this screw body is disposed with linkage section (11), canned paragraph (12), pan feeding section (20), compression melt zone (30), preshearing segment (40), high shear section (50), exhaust section (60), strengthening compression section (70), mixing section (80) and discharging section (90) from left to right; Wherein, pan feeding section (20), compression melt zone (30), preshearing segment (40), high shear section (50), exhaust section (60), strengthening compression section (70) and mixing section (80) include stem stem and are formed at the screw thread on corresponding stem stem; The stem stem diameter of this preshearing segment (40) is consistent and is greater than compression melt zone (30) stem stem diameter, and the stem stem diameter of this high shear section (50) is consistent and is greater than the stem stem diameter of preshearing segment (40); The major diameter of thread of described preshearing segment (40) is consistent with the major diameter of thread of high shear section (50), and described high shear section (50) screw thread groove depth is less than the screw thread groove depth of described preshearing segment (40); All by inclined-plane or arc gradual transition between described compression melt zone (30) and preshearing segment (40), between preshearing segment (40) and high shear section (50); The stem stem diameter of described exhaust section (60) is less than the stem stem diameter of high shear section (50), and the major diameter of thread of exhaust section (60) is less than the major diameter of thread of high shear section (50).
2. improve the injection machine bolt special of exhaust performance according to claim 1, it is characterized in that: the ratio of the major diameter of thread of described exhaust section (60) and the major diameter of thread of high shear section (50) is 0.7 ~ 0.9.
3. improve the injection machine bolt special of exhaust performance according to claim 1, it is characterized in that: the described pitch of preshearing segment (40) and the ratio of himself major diameter of thread are 0.3 ~ 0.4.
4. improve the injection machine bolt special of exhaust performance according to claim 1, it is characterized in that: the stem stem diameter of described compression melt zone (30), the stem stem diameter of strengthening compression section (70) are all from left to right in gradually large structure.
5. improve the injection machine bolt special of exhaust performance according to claim 1, it is characterized in that: the stem stem diameter of described pan feeding section (20) is less than the stem stem diameter of compression melt zone (30), and the major diameter of thread of this pan feeding section (20) is less than the external diameter of canned paragraph (12); And the stem stem diameter of described exhaust section (60) is less than the stem stem diameter of strengthening compression section (70).
6. improve the injection machine bolt special of exhaust performance according to claim 1, it is characterized in that: the stem stem diameter of described mixing section (80) is greater than the stem stem diameter of strengthening compression section (70), screw thread on the stem stem of this mixing section (80) for being set side by side with some, the thread groove entrance between its screw thread towards and the thread groove of through strengthening compression section (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806336.7U CN205130308U (en) | 2015-10-19 | 2015-10-19 | Improve air discharge performance's special screw rod of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806336.7U CN205130308U (en) | 2015-10-19 | 2015-10-19 | Improve air discharge performance's special screw rod of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205130308U true CN205130308U (en) | 2016-04-06 |
Family
ID=55616129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520806336.7U Expired - Fee Related CN205130308U (en) | 2015-10-19 | 2015-10-19 | Improve air discharge performance's special screw rod of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205130308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671372A (en) * | 2016-12-26 | 2017-05-17 | 海宁王骏橡塑制品有限公司 | Sock hook injection moulding machine with good exhaust performance |
-
2015
- 2015-10-19 CN CN201520806336.7U patent/CN205130308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671372A (en) * | 2016-12-26 | 2017-05-17 | 海宁王骏橡塑制品有限公司 | Sock hook injection moulding machine with good exhaust performance |
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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: 20160406 Termination date: 20161019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |