CN205130310U - Screw rod - Google Patents
Screw rod Download PDFInfo
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- CN205130310U CN205130310U CN201520857784.XU CN201520857784U CN205130310U CN 205130310 U CN205130310 U CN 205130310U CN 201520857784 U CN201520857784 U CN 201520857784U CN 205130310 U CN205130310 U CN 205130310U
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- spiral shell
- screw rod
- shell rib
- solid
- external diameter
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Abstract
The utility model provides a screw rod, screw rod divides power input section (1), solid conveying section (2), solid -liquid blending transportation section (3), homogenizing section (4) into according to the effect of its during operation in proper order, and solid conveying section (2) have the same pitch, and the same spiral shell arris (5) external diameter and arris are wide, its characterized in that: solid -liquid blending transportation section (3) is including first spiral shell arris (6) of continuity solid conveying section (2) spiral shell arris (5), derive the second spiral shell arris (7) that comes with follow these first spiral shell arris (6), form tank bottom footpath great solid phase helicla flute (8) and tank bottom less liquid phase helicla flute (9) in footpath, solid phase helicla flute (8) helicla flute (10) beginning from continuing solid conveying section (2), its pitch diminishes until the termination gradually, liquid phase helicla flute (9) from first spiral shell arris (6) by derived the inception gradually the grow terminate until solid phase helicla flute (8). Its advantage lies in: realize the compression of material, the emergence of relaxing in turn, finally make complete plastify of material and misce bene, relative prior art, the plastify sufficiency of its plastics, homogeneity are better.
Description
Technical field
The utility model relates to a kind of injection machine manufacturing technology, especially a kind of screw rod on injection machine.
Background technology
Existing a kind of patent No. is that CN201410023180.5 name is called that the Chinese invention patent of " a kind of integral type screw rod group " discloses a kind of integral type screw rod group, it comprises screw rod and screw head, described screw head is arranged on screw front end, described screw head is formed by being processed into taper in the front end of screw rod, and described screw rod and screw head are wholely set as overall structure.The present invention is by being wholely set as overall structure by screw head and screw rod, eliminate connection between the two, decrease the impact on mechanical strength connecting and bring, improve the mechanical strength of screw head and screw rod, extend the service life of screw rod and screw head, improve product quality and production efficiency, make it to solve the problems of mechanical strength of screw rod under minor diameter and screw head.But this device extrusion molding amount is less, easily blocks, and through plasticizing adequacy, the lack of uniformity of the plastics of its extrusion molding, injection moulding effect is undesirable, and therefore the structure of this device also needs further improvement.
Summary of the invention
Technical problem to be solved in the utility model provides for above-mentioned prior art present situation the screw rod that a kind of plasticizing effect is good.
The utility model solves the problems of the technologies described above adopted technical scheme: this screw rod, described screw rod is divided into power input section successively by effect during its work, solid conveying section, solid-liquid blending transportation section, homogenizing zone, solid conveying section has identical pitch, identical spiral shell rib external diameter and rib wide, it is characterized in that: described solid-liquid blending transportation section comprises the first spiral shell rib of continuity solid conveying section spiral shell rib, with derive from from this first spiral shell rib and come the second spiral shell rib, form the less liquid phase helicla flute of the larger solid phase helicla flute in bottom land footpath and bottom land footpath, solid phase helicla flute is from the helicla flute of continuity solid conveying section, its pitch diminishes until stop gradually, it is large until solid phase helicla flute stops that liquid phase helicla flute is derived from initial change gradually from the first spiral shell rib.
As improvement, at the bottom of the intermediate channel of described screw rod solid conveying section, footpath is greater than left part and right part, has the left changeover portion that a bit of bottom land footpath becomes large gradually from its left part to middle part, from the center to the right changeover portion that right part has a bit of bottom land footpath to diminish gradually.
As improvement, the spiral shell rib external diameter of described first spiral shell rib is identical with solid conveying section spiral shell rib external diameter, and the spiral shell rib external diameter of the second spiral shell rib is less than the spiral shell rib external diameter of the first spiral shell rib, and the rib of the second spiral shell rib is wide, and to be also less than the rib of the first spiral shell rib wide.
As improvement, preferably propellers can be set between the solid-liquid blending transportation section of described screw rod, homogenizing zone, these propellers be offered along the uniform helical groove of its circumferencial direction.
Further improvement, the external diameter of described propellers can be preferably identical with solid conveying section spiral shell rib external diameter.
Further improvement, described propellers length can be preferably 250mm to 300mm, and its helical groove is 10 helical pitches is the helical groove of 300mm to 360mm.
As improvement, the homogenizing zone of described screw rod can preferably arrange multiple pocket-wheel.
Further improvement, described pocket-wheel can be preferably six tooth pocket-wheels, and its six teeth are uniform along its circumferencial direction, and along screw rod homogenizing zone uniformly at intervals, six teeth of its adjacent two pocket-wheels stagger 30-degree angle described multiple pocket-wheel mutually.
Further improvement, the external diameter of described pocket-wheel is less than solid conveying section spiral shell rib external diameter.
As improvement, described screw rod power input section end opens has keyway, is provided with one section of threaded portion between power input section and solid conveying section, and power input section external diameter, threaded portion external diameter are all identical with the outside dimension of the spiral shell rib external diameter of the first spiral shell rib, propellers.
Compared with prior art, the utility model is by improving the planform design of screw rod, its solid-liquid blending transportation section comprises the first spiral shell rib of continuity solid conveying section spiral shell rib, with derive from from this first spiral shell rib and come the second spiral shell rib, form the less liquid phase helicla flute of the larger solid phase helicla flute in bottom land footpath and bottom land footpath, solid phase helicla flute is from the helicla flute of continuity solid conveying section, its pitch diminishes until stop gradually, and it is large until solid phase helicla flute stops that liquid phase helicla flute is derived from initial change gradually from the first spiral shell rib; At the bottom of solid phase spiral and liquid phase helicla flute, footpath alternately changes, and realizes the compression of material, alternately occurring of loosening, finally makes material plastify completely and mix; Relative to existing technologies, the plasticizing adequacy of its plastics, uniformity are better.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment screw rod;
Fig. 2 is change schematic diagram in footpath at the bottom of the utility model embodiment screw slot;
Fig. 3 is the utility model embodiment screw rod solid conveying section, solid-liquid blending transportation section, homogenizing zone launch schematic diagram;
Fig. 4 is B profile in position in Fig. 1;
Fig. 5 is local X enlarged diagram in Fig. 1;
Fig. 6 is D part sectioned view in position in Fig. 3;
Fig. 7 is E profile in position in Fig. 1;
Fig. 8 is F profile in position in Fig. 1;
Fig. 9 is local Y enlarged diagram in Fig. 1;
Figure 10 is Fig. 1 segmentation enlarged diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figures 1 to 10, the screw rod of the present embodiment, described screw rod is divided into power input section 1 successively by effect during its work, solid conveying section 2, solid-liquid blending transportation section 3, homogenizing zone 4, solid conveying section 2 has identical pitch, identical spiral shell rib 5 external diameter and rib wide, described solid-liquid blending transportation section 3 comprises the first spiral shell rib 6 of continuity solid conveying section 2 spiral shell rib 5, with the second spiral shell rib 7 derived from from this first spiral shell rib 6, form the liquid phase helicla flute 9 that the larger solid phase helicla flute in bottom land footpath 8 is less with bottom land footpath, solid phase helicla flute 8 is from the helicla flute 10 of continuity solid conveying section 2, its pitch diminishes until stop gradually, liquid phase helicla flute 9 is large until solid phase helicla flute 8 stops by the initial change gradually of derivation from the first spiral shell rib 6.The bottom land footpath, middle part 11 of described screw rod solid conveying section 2 is greater than left part 12 and right part 13, and the left changeover portion 14 having a bit of bottom land footpath to become large gradually from its left part 12 to middle part 11,11 to right part 13 has the right changeover portion 15 that a bit of bottom land footpath diminishes gradually from the center.The spiral shell rib external diameter of described first spiral shell rib 6 is identical with solid conveying section 2 spiral shell rib 5 external diameter, and the spiral shell rib external diameter of the second spiral shell rib 7 is less than the spiral shell rib external diameter of the first spiral shell rib 6, and the rib of the second spiral shell rib 7 is wide, and to be also less than the rib of the first spiral shell rib 6 wide.Between the solid-liquid blending transportation section 3 of described screw rod, homogenizing zone 4, propellers 16 are set, these propellers 16 are offered along the uniform helical groove 17 of its circumferencial direction.Screw rod according to claim 4, is characterized in that: the external diameter of described propellers 16 is identical with solid conveying section 2 spiral shell rib 5 external diameter.Screw rod according to claim 4, is characterized in that: described propellers 16 length is 250mm to 300mm, the helical groove 17 of its helical groove 17 to be 10 helical pitches be 300mm to 360mm.Screw rod according to claim 1, is characterized in that: the homogenizing zone 4 of described screw rod arranges multiple pocket-wheel 18.Described pocket-wheel 18 is six tooth pocket-wheels 18, and its six teeth 19 are uniform along its circumferencial direction, and along screw rod homogenizing zone 4 uniformly at intervals, six teeth 19 of its adjacent two pocket-wheels 18 stagger 30-degree angle described multiple pocket-wheel 18 mutually.The external diameter of described pocket-wheel 18 is less than solid conveying section 2 spiral shell rib 5 external diameter.Described screw rod power input section 1 end opens has keyway 20, is provided with one section of threaded portion 21 between power input section 1 and solid conveying section 2, and power input section 1 external diameter, threaded portion 21 external diameter are all identical with the outside dimension of the spiral shell rib external diameter of the first spiral shell rib 6, propellers 16.
The utility model is by improving the planform design of screw rod, its solid-liquid blending transportation section comprises the first spiral shell rib of continuity solid conveying section spiral shell rib, with derive from from this first spiral shell rib and come the second spiral shell rib, form the less liquid phase helicla flute of the larger solid phase helicla flute in bottom land footpath and bottom land footpath, solid phase helicla flute is from the helicla flute of continuity solid conveying section, its pitch diminishes until stop gradually, and it is large until solid phase helicla flute stops that liquid phase helicla flute is derived from initial change gradually from the first spiral shell rib; At the bottom of solid phase spiral and liquid phase helicla flute, footpath alternately changes, and realizes the compression of material, alternately occurring of loosening, finally makes material plastify completely and mix; Relative to existing technologies, the plasticizing adequacy of its plastics, uniformity are better.
Claims (10)
1. a screw rod, described screw rod is divided into power input section (1) successively by effect during its work, solid conveying section (2), solid-liquid blending transportation section (3), homogenizing zone (4), solid conveying section (2) has identical pitch, identical spiral shell rib (5) external diameter and rib wide, it is characterized in that: described solid-liquid blending transportation section (3) comprises the first spiral shell rib (6) of continuity solid conveying section (2) spiral shell rib (5), with derive from from this first spiral shell rib (6) and come the second spiral shell rib (7), form the liquid phase helicla flute (9) that the larger solid phase helicla flute (8) in bottom land footpath is less with bottom land footpath, solid phase helicla flute (8) is from the helicla flute (10) of continuity solid conveying section (2), its pitch diminishes until stop gradually, liquid phase helicla flute (9) is large until solid phase helicla flute (8) stops by the initial change gradually of derivation from the first spiral shell rib (6).
2. screw rod according to claim 1, it is characterized in that: middle part (11) the bottom land footpath of described screw rod solid conveying section (2) is greater than left part (12) and right part (13), the left changeover portion (14) having a bit of bottom land footpath to become large gradually from its left part (12) to middle part (11), from the center (11) to right part (13) the right changeover portion (15) that has a bit of bottom land footpath to diminish gradually.
3. screw rod according to claim 1, it is characterized in that: the spiral shell rib external diameter of described first spiral shell rib (6) is identical with solid conveying section (2) spiral shell rib (5) external diameter, the spiral shell rib external diameter of the second spiral shell rib (7) is less than the spiral shell rib external diameter of the first spiral shell rib (6), and the rib of the second spiral shell rib (7) is wide, and to be also less than the rib of the first spiral shell rib (6) wide.
4. screw rod according to claim 1, it is characterized in that: between the solid-liquid blending transportation section (3) of described screw rod, homogenizing zone (4), propellers (16) are set, these propellers (16) are offered along the uniform helical groove (17) of its circumferencial direction.
5. screw rod according to claim 4, is characterized in that: the external diameter of described propellers (16) is identical with solid conveying section (2) spiral shell rib (5) external diameter.
6. screw rod according to claim 4, is characterized in that: described propellers (16) length is 250mm to 300mm, the helical groove (17) of its helical groove (17) to be 10 helical pitches be 300mm to 360mm.
7. screw rod according to claim 1, is characterized in that: the homogenizing zone (4) of described screw rod arranges multiple pocket-wheel (18).
8. screw rod according to claim 7, it is characterized in that: described pocket-wheel (18) is six tooth pocket-wheels (18), its six teeth (19) are uniform along its circumferencial direction, described multiple pocket-wheel (18) along screw rod homogenizing zone (4) uniformly at intervals, mutually stagger 30-degree angle by six teeth (19) of its adjacent two pocket-wheels (18).
9. screw rod according to claim 7, is characterized in that: the external diameter of described pocket-wheel (18) is less than solid conveying section (2) spiral shell rib (5) external diameter.
10. screw rod according to claim 1, it is characterized in that: described screw rod power input section (1) end opens has keyway (20), be provided with one section of threaded portion (21) between power input section (1) and solid conveying section (2), it is all identical with the outside dimension of the spiral shell rib external diameter of the first spiral shell rib (6), propellers (16) that power inputs section (1) external diameter, threaded portion (21) external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520857784.XU CN205130310U (en) | 2015-10-28 | 2015-10-28 | Screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520857784.XU CN205130310U (en) | 2015-10-28 | 2015-10-28 | Screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205130310U true CN205130310U (en) | 2016-04-06 |
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ID=55616131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520857784.XU Active CN205130310U (en) | 2015-10-28 | 2015-10-28 | Screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205130310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370489A (en) * | 2021-07-12 | 2021-09-10 | 苏州金韦尔机械有限公司 | Screw extruder with water-rotating cavity |
-
2015
- 2015-10-28 CN CN201520857784.XU patent/CN205130310U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370489A (en) * | 2021-07-12 | 2021-09-10 | 苏州金韦尔机械有限公司 | Screw extruder with water-rotating cavity |
| CN113370489B (en) * | 2021-07-12 | 2022-03-04 | 苏州金韦尔机械有限公司 | Screw extruder with water-rotating cavity |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |