CN202685283U - Foam pipe extruding mold with good layering effect - Google Patents
Foam pipe extruding mold with good layering effect Download PDFInfo
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- CN202685283U CN202685283U CN2012203732474U CN201220373247U CN202685283U CN 202685283 U CN202685283 U CN 202685283U CN 2012203732474 U CN2012203732474 U CN 2012203732474U CN 201220373247 U CN201220373247 U CN 201220373247U CN 202685283 U CN202685283 U CN 202685283U
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Abstract
The utility model relates to a foam pipe extruding mold with a good layering effect, and the foam pipe extruding mold comprises an extrusion die extending in the transverse direction and a core die which is arranged inside the die, wherein a tubular gap formed between the extrusion die and the core die is used as a slurry passage, the axis of the core die is provided with a mandrel extending in the transverse direction, the axial middle part is provided with a cylindrical supporting rod which is connected with the mandrel and the outer wall of the extrusion die, and the foam pipe extruding mold is characterized in that at least one supporting rod is a baffling core with a rhombic cross section, and a diagonal line of the rhombic cross section extends in the flow direction of the slurry. The baffling core with the rhombic cross section is arranged inside the slurry passage to substitute the traditional square supporting rod, so that a good buffering effect on the passing of the layered slurry can be realized, a layering effect between a pipe main body and a foam layer can be guaranteed, and the quality of a foam pipe can be improved.
Description
Technical field
The utility model relates to a kind of mould of making plastic pipe, relates in particular to a kind of extrusion die of making foaming tube.
Background technology
The production line of PVC foaming tube or PE foaming tube tubing is comprised of charging mould, extrusion die and other accessory machinery.Foaming tube tubing comprises tubular body and is located at the middle annular foaming layer of body.The tubing slip is by the compressed moulding of the slurry channel that narrows down gradually in the extrusion die, usually in described passage, be provided with the support bar that radially extends, because the tubing slip of foaming tube comprises body slip and the foaming slip that is wrapped in the body slip, slip inevitably runs into support bar when flowing, and the body slip easily occurs and the bad mixing of the slip that foams, the foaming tube layering of order manufacturing gained is unclear, increases defect rate.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of simple in structure, effectively cushions slip and flows the foaming tube extrusion die that layered effect is good.
For achieving the above object, the technical solution adopted in the utility model is: the foaming tube extrusion die that a kind of layered effect is good, comprise laterally extending mouth mould and be located at the interior core of mouthful mould, tubulose gap between mouth mould and the core becomes slurry channel, the axis of described core is provided with laterally extending mandrel, axially the middle part is provided with the columnar stays bar of connecting mandrel and mouthful mould outer wall, it is characterized in that: at least one described support bar is the baffling core that cross section assumes diamond in shape, and a diagonal of described cross section rhombus is along the slip flow direction.
In preferred embodiment of the utility model, comprise that further described baffling core is 4,6 or 8, bead mould cross section circumferentially evenly distributes, and each baffling wire mandrel direction is parallel to a mouthful mould cross section.
In preferred embodiment of the utility model, comprise that further described baffling core is 4, the cross section of every baffling core is rhombus, and separately a diagonal of cross section rhombus along the slip flow direction.
In preferred embodiment of the utility model, comprise that further the width of every baffling core is the 1/5-1/4 of length along described mouthful of mode cross section direction.
In preferred embodiment of the utility model, comprise that further described baffling core is bordering on the cross-sectional area of mandrel one end greater than being bordering on mouthful cross-sectional area of mould outer wall one end.
In preferred embodiment of the utility model, the cross section size that further comprises described baffling core is divided into three grades of stageds, in every one-level ladder, the cross section equal and opposite in direction of optional position vertically, the cross-sectional area that is bordering on mandrel one end belongs to first order ladder, being bordering on mouthful cross-sectional area of mould outer wall one end is third level ladder, and the interlude cross-sectional area is third level ladder, first order ladder area greater than second level ladder area greater than third level ladder area.
The utility model has solved the defective that exists in the background technology, foaming tube extrusion die of the present utility model is provided with the baffling core that the cross section is rhombus in slurry channel, substitute the traditional square support bar, layering slip current played good cushioning effect, guarantee the layered effect between tubing body and the foaming layer, improve the foaming tube quality.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the A-A profile of Fig. 1 and the signal that the tubing slip flows to.
Among the figure: 2, mouthful mould, 4, core, 41, mandrel, 6, slurry channel, 61, entrance point, 62, the port of export, 8, the baffling core, 10, flange.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Shown in Fig. 1-2, the foaming tube extrusion die that a kind of layered effect of the present utility model is good, comprise laterally extending mouth mould 2 and the core 4 of being located in mouthful mould 2, tubulose gap between mouth mould 2 and the core 4 becomes slurry channel 6, the axis of described core 4 is provided with laterally extending mandrel 41, and axially the middle part is provided with the column baffling core 8 of connecting mandrel 41 and mouthful mould 2 outer walls.Described slurry channel 6 one ends are entrance point 61, and the other end is the port of export 62, and entrance point 61 is provided with flange 10, are used for linking to each other with the charging mould.Along described entrance point 61 to baffling core 8 directions, the slurry channel 6 vertically annulus width of arbitrary section equates, the internal radius of arbitrary section increases gradually.Along baffling core 8 to the described port of export 61 directions, slurry channel 6 is divided into two sections, is bordering on a section of baffling core 8, and the annulus width of arbitrary section reduces gradually, and the internal radius of arbitrary section also reduces gradually; Be bordering on a section of the described port of export 62, the annulus width of arbitrary section equates, the internal radius of arbitrary section equates.Described baffling core 8 is 4,6 or 8, is preferably 4, and bead mould 2 cross sections circumferentially evenly distribute, and each baffling core 8 axis direction is parallel to mouthful mould 2 cross sections.The cross section of described every baffling core 8 assumes diamond in shape, and a diagonal of described cross section rhombus is along tubing slip flow direction.Along described mouthful of mould 2 cross-wise direction, the width of every baffling core 8 is the 1/5-1/4 of length.The cross section size of described baffling core 8 is divided into three grades of stageds, in every one-level ladder, the cross section equal and opposite in direction of optional position vertically, the cross-sectional area that is bordering on mandrel 41 1 ends belongs to first order ladder, the cross-sectional area that is bordering on mouthful mould 2 outer walls one end is third level ladder, the interlude cross-sectional area is third level ladder, first order ladder area greater than second level ladder area greater than third level ladder area.
When making tubing, body slip and foaming slip form the body slip by the charging mould and are positioned at internal layer and skin, and the foaming slip is positioned at the pipe structure in intermediate layer, then enters extrusion die of the present utility model.In the slurry channel 6, the tubing slip produces baffling during through baffling core 8, is subject to certain buffering, keeps good stratification state, then rely on baffling core 8 to the port of export 62 the compressed moulding of mould structure.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related personnel can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification, must determine technical scope according to the claim scope.
Claims (6)
1. foaming tube extrusion die that layered effect is good, comprise laterally extending mouth mould and be located at the interior core of mouthful mould, tubulose gap between mouth mould and the core becomes slurry channel, the axis of described core is provided with laterally extending mandrel, axially the middle part is provided with the columnar stays bar of connecting mandrel and mouthful mould outer wall, it is characterized in that: at least one described support bar is the baffling core that cross section assumes diamond in shape, and a diagonal of described cross section rhombus is along the slip flow direction.
2. the good foaming tube extrusion die of a kind of layered effect according to claim 1, it is characterized in that: described baffling core is 4,6 or 8, bead mould cross section circumferentially evenly distributes, and each baffling wire mandrel direction is parallel to a mouthful mould cross section.
3. the good foaming tube extrusion die of a kind of layered effect according to claim 2, it is characterized in that: described baffling core is 4, the cross section of every baffling core is rhombus, and separately a diagonal of cross section rhombus along the slip flow direction.
4. the good foaming tube extrusion die of a kind of layered effect according to claim 3 is characterized in that: along described mouthful of mode cross section direction, the width of every baffling core is the 1/5-1/4 of length.
5. the good foaming tube extrusion die of a kind of layered effect according to claim 4, it is characterized in that: described baffling core is bordering on the cross-sectional area of mandrel one end greater than being bordering on mouthful cross-sectional area of mould outer wall one end.
6. the good foaming tube extrusion die of a kind of layered effect according to claim 5, it is characterized in that: the cross section size of described baffling core is divided into three grades of stageds, in every one-level ladder, the cross section equal and opposite in direction of optional position vertically, the cross-sectional area that is bordering on mandrel one end belongs to first order ladder, being bordering on mouthful cross-sectional area of mould outer wall one end is third level ladder, the interlude cross-sectional area is third level ladder, first order ladder area greater than second level ladder area greater than third level ladder area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203732474U CN202685283U (en) | 2012-07-31 | 2012-07-31 | Foam pipe extruding mold with good layering effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203732474U CN202685283U (en) | 2012-07-31 | 2012-07-31 | Foam pipe extruding mold with good layering effect |
Publications (1)
| Publication Number | Publication Date |
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| CN202685283U true CN202685283U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203732474U Expired - Fee Related CN202685283U (en) | 2012-07-31 | 2012-07-31 | Foam pipe extruding mold with good layering effect |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814961A (en) * | 2012-07-31 | 2012-12-12 | 昆山圣源机械有限公司 | Forming pipe extruding die with good layering effect |
| CN104210084A (en) * | 2014-09-21 | 2014-12-17 | 成都众山科技有限公司 | Conduit forming device |
| CN104260271A (en) * | 2014-09-21 | 2015-01-07 | 成都众山科技有限公司 | Cable protection pipe molding equipment |
| CN104260319A (en) * | 2014-09-21 | 2015-01-07 | 成都众山科技有限公司 | Shaping mechanism beneficial to pipe shaping quality |
| CN104260320A (en) * | 2014-09-21 | 2015-01-07 | 成都众山科技有限公司 | Sub-line pipe mold cavity device |
-
2012
- 2012-07-31 CN CN2012203732474U patent/CN202685283U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814961A (en) * | 2012-07-31 | 2012-12-12 | 昆山圣源机械有限公司 | Forming pipe extruding die with good layering effect |
| CN102814961B (en) * | 2012-07-31 | 2015-11-18 | 昆山圣源机械有限公司 | The foaming tube extrusion die that a kind of layered effect is good |
| CN104210084A (en) * | 2014-09-21 | 2014-12-17 | 成都众山科技有限公司 | Conduit forming device |
| CN104260271A (en) * | 2014-09-21 | 2015-01-07 | 成都众山科技有限公司 | Cable protection pipe molding equipment |
| CN104260319A (en) * | 2014-09-21 | 2015-01-07 | 成都众山科技有限公司 | Shaping mechanism beneficial to pipe shaping quality |
| CN104260320A (en) * | 2014-09-21 | 2015-01-07 | 成都众山科技有限公司 | Sub-line pipe mold cavity device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130731 |